25288638

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 30698562

約数列:

[1, 2, 3, 6, 23, 29, 46, 58, 69, 71, 87, 89, 138, 142, 174, 178, 213, 267, 426, 534, 667, 1334, 1633, 2001, 2047, 2059, 2581, 3266, 4002, 4094, 4118, 4899, 5162, 6141, 6177, 6319, 7743, 9798, 12282, 12354, 12638, 15486, 18957, 37914, 47357, 59363, 94714, 118726, 142071, 145337, 178089, 183251, 284142, 290674, 356178, 366502, 436011, 549753, 872022, 1099506, 4214773, 8429546, 12644319, 25288638]

約数ペア:

[(1, 25288638), (2, 12644319), (3, 8429546), (6, 4214773), (23, 1099506), (29, 872022), (46, 549753), (58, 436011), (69, 366502), (71, 356178), (87, 290674), (89, 284142), (138, 183251), (142, 178089), (174, 145337), (178, 142071), (213, 118726), (267, 94714), (426, 59363), (534, 47357), (667, 37914), (1334, 18957), (1633, 15486), (2001, 12638), (2047, 12354), (2059, 12282), (2581, 9798), (3266, 7743), (4002, 6319), (4094, 6177), (4118, 6141), (4899, 5162)]