251640168

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{2311}}^1$

素因数の和:2682

約数の個数: 64

約数和(自身を含む): 679728000

約数和(自身を除く): 428087832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 349, 698, 1047, 1396, 2094, 2311, 2792, 4188, 4537, 4622, 6933, 8376, 9074, 9244, 13611, 13866, 18148, 18488, 27222, 27732, 30043, 36296, 54444, 55464, 60086, 90129, 108888, 120172, 180258, 240344, 360516, 721032, 806539, 1613078, 2419617, 3226156, 4839234, 6452312, 9678468, 10485007, 19356936, 20970014, 31455021, 41940028, 62910042, 83880056, 125820084, 251640168]

約数ペア:

[(1, 251640168), (2, 125820084), (3, 83880056), (4, 62910042), (6, 41940028), (8, 31455021), (12, 20970014), (13, 19356936), (24, 10485007), (26, 9678468), (39, 6452312), (52, 4839234), (78, 3226156), (104, 2419617), (156, 1613078), (312, 806539), (349, 721032), (698, 360516), (1047, 240344), (1396, 180258), (2094, 120172), (2311, 108888), (2792, 90129), (4188, 60086), (4537, 55464), (4622, 54444), (6933, 36296), (8376, 30043), (9074, 27732), (9244, 27222), (13611, 18488), (13866, 18148)]