681964668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1567}}^1$

素因数の和:1752

約数の個数: 144

約数和(自身を含む): 2164291584

約数和(自身を除く): 1482326916

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 157, 198, 231, 252, 308, 314, 396, 462, 471, 628, 693, 924, 942, 1099, 1386, 1413, 1567, 1727, 1884, 2198, 2772, 2826, 3134, 3297, 3454, 4396, 4701, 5181, 5652, 6268, 6594, 6908, 9402, 9891, 10362, 10969, 12089, 13188, 14103, 15543, 17237, 18804, 19782, 20724, 21938, 24178, 28206, 31086, 32907, 34474, 36267, 39564, 43876, 48356, 51711, 56412, 62172, 65814, 68948, 72534, 98721, 103422, 108801, 120659, 131628, 145068, 155133, 197442, 206844, 217602, 241318, 246019, 310266, 361977, 394884, 435204, 482636, 492038, 620532, 723954, 738057, 984076, 1085931, 1447908, 1476114, 1722133, 2171862, 2214171, 2706209, 2952228, 3444266, 4343724, 4428342, 5166399, 5412418, 6888532, 8118627, 8856684, 10332798, 10824836, 15499197, 16237254, 18943463, 20665596, 24355881, 30998394, 32474508, 37886926, 48711762, 56830389, 61996788, 75773852, 97423524, 113660778, 170491167, 227321556, 340982334, 681964668]

約数ペア:

[(1, 681964668), (2, 340982334), (3, 227321556), (4, 170491167), (6, 113660778), (7, 97423524), (9, 75773852), (11, 61996788), (12, 56830389), (14, 48711762), (18, 37886926), (21, 32474508), (22, 30998394), (28, 24355881), (33, 20665596), (36, 18943463), (42, 16237254), (44, 15499197), (63, 10824836), (66, 10332798), (77, 8856684), (84, 8118627), (99, 6888532), (126, 5412418), (132, 5166399), (154, 4428342), (157, 4343724), (198, 3444266), (231, 2952228), (252, 2706209), (308, 2214171), (314, 2171862), (396, 1722133), (462, 1476114), (471, 1447908), (628, 1085931), (693, 984076), (924, 738057), (942, 723954), (1099, 620532), (1386, 492038), (1413, 482636), (1567, 435204), (1727, 394884), (1884, 361977), (2198, 310266), (2772, 246019), (2826, 241318), (3134, 217602), (3297, 206844), (3454, 197442), (4396, 155133), (4701, 145068), (5181, 131628), (5652, 120659), (6268, 108801), (6594, 103422), (6908, 98721), (9402, 72534), (9891, 68948), (10362, 65814), (10969, 62172), (12089, 56412), (13188, 51711), (14103, 48356), (15543, 43876), (17237, 39564), (18804, 36267), (19782, 34474), (20724, 32907), (21938, 31086), (24178, 28206)]