261415908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29399}}^1$

素因数の和:29441

約数の個数: 72

約数和(自身を含む): 749112000

約数和(自身を除く): 487696092

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 29399, 58798, 88197, 117596, 176394, 264591, 352788, 382187, 529182, 558581, 764374, 1058364, 1117162, 1146561, 1528748, 1675743, 2234324, 2293122, 3351486, 3439683, 4586244, 5027229, 6702972, 6879366, 7261553, 10054458, 13758732, 14523106, 20108916, 21784659, 29046212, 43569318, 65353977, 87138636, 130707954, 261415908]

約数ペア:

[(1, 261415908), (2, 130707954), (3, 87138636), (4, 65353977), (6, 43569318), (9, 29046212), (12, 21784659), (13, 20108916), (18, 14523106), (19, 13758732), (26, 10054458), (36, 7261553), (38, 6879366), (39, 6702972), (52, 5027229), (57, 4586244), (76, 3439683), (78, 3351486), (114, 2293122), (117, 2234324), (156, 1675743), (171, 1528748), (228, 1146561), (234, 1117162), (247, 1058364), (342, 764374), (468, 558581), (494, 529182), (684, 382187), (741, 352788), (988, 264591), (1482, 176394), (2223, 117596), (2964, 88197), (4446, 58798), (8892, 29399)]