218631348

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 626043600

約数和(自身を除く): 407412252

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 89, 116, 117, 156, 174, 178, 181, 234, 261, 267, 348, 356, 362, 377, 468, 522, 534, 543, 724, 754, 801, 1044, 1068, 1086, 1131, 1157, 1508, 1602, 1629, 2172, 2262, 2314, 2353, 2581, 3204, 3258, 3393, 3471, 4524, 4628, 4706, 5162, 5249, 6516, 6786, 6942, 7059, 7743, 9412, 10324, 10413, 10498, 13572, 13884, 14118, 15486, 15747, 16109, 20826, 20996, 21177, 23229, 28236, 30972, 31494, 32218, 33553, 41652, 42354, 46458, 47241, 48327, 62988, 64436, 67106, 68237, 84708, 92916, 94482, 96654, 100659, 134212, 136474, 144981, 188964, 193308, 201318, 204711, 209417, 272948, 289962, 301977, 402636, 409422, 418834, 467161, 579924, 603954, 614133, 628251, 818844, 837668, 934322, 1207908, 1228266, 1256502, 1401483, 1868644, 1884753, 2456532, 2513004, 2802966, 3769506, 4204449, 5605932, 6073093, 7539012, 8408898, 12146186, 16817796, 18219279, 24292372, 36438558, 54657837, 72877116, 109315674, 218631348]

約数ペア:

[(1, 218631348), (2, 109315674), (3, 72877116), (4, 54657837), (6, 36438558), (9, 24292372), (12, 18219279), (13, 16817796), (18, 12146186), (26, 8408898), (29, 7539012), (36, 6073093), (39, 5605932), (52, 4204449), (58, 3769506), (78, 2802966), (87, 2513004), (89, 2456532), (116, 1884753), (117, 1868644), (156, 1401483), (174, 1256502), (178, 1228266), (181, 1207908), (234, 934322), (261, 837668), (267, 818844), (348, 628251), (356, 614133), (362, 603954), (377, 579924), (468, 467161), (522, 418834), (534, 409422), (543, 402636), (724, 301977), (754, 289962), (801, 272948), (1044, 209417), (1068, 204711), (1086, 201318), (1131, 193308), (1157, 188964), (1508, 144981), (1602, 136474), (1629, 134212), (2172, 100659), (2262, 96654), (2314, 94482), (2353, 92916), (2581, 84708), (3204, 68237), (3258, 67106), (3393, 64436), (3471, 62988), (4524, 48327), (4628, 47241), (4706, 46458), (5162, 42354), (5249, 41652), (6516, 33553), (6786, 32218), (6942, 31494), (7059, 30972), (7743, 28236), (9412, 23229), (10324, 21177), (10413, 20996), (10498, 20826), (13572, 16109), (13884, 15747), (14118, 15486)]