821578254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{7121}}^1$

素因数の和:7241

約数の個数: 64

約数和(自身を含む): 1952681472

約数和(自身を除く): 1131103218

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 67, 82, 123, 134, 201, 246, 287, 402, 469, 574, 861, 938, 1407, 1722, 2747, 2814, 5494, 7121, 8241, 14242, 16482, 19229, 21363, 38458, 42726, 49847, 57687, 99694, 115374, 149541, 291961, 299082, 477107, 583922, 875883, 954214, 1431321, 1751766, 2043727, 2862642, 3339749, 4087454, 6131181, 6679498, 10019247, 12262362, 19561387, 20038494, 39122774, 58684161, 117368322, 136929709, 273859418, 410789127, 821578254]

約数ペア:

[(1, 821578254), (2, 410789127), (3, 273859418), (6, 136929709), (7, 117368322), (14, 58684161), (21, 39122774), (41, 20038494), (42, 19561387), (67, 12262362), (82, 10019247), (123, 6679498), (134, 6131181), (201, 4087454), (246, 3339749), (287, 2862642), (402, 2043727), (469, 1751766), (574, 1431321), (861, 954214), (938, 875883), (1407, 583922), (1722, 477107), (2747, 299082), (2814, 291961), (5494, 149541), (7121, 115374), (8241, 99694), (14242, 57687), (16482, 49847), (19229, 42726), (21363, 38458)]