256460412

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:559

約数の個数: 96

約数和(自身を含む): 668372544

約数和(自身を除く): 411912132

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 101, 123, 156, 164, 202, 246, 303, 397, 404, 492, 533, 606, 794, 1066, 1191, 1212, 1313, 1588, 1599, 2132, 2382, 2626, 3198, 3939, 4141, 4764, 5161, 5252, 6396, 7878, 8282, 10322, 12423, 15483, 15756, 16277, 16564, 20644, 24846, 30966, 32554, 40097, 48831, 49692, 53833, 61932, 65108, 80194, 97662, 107666, 120291, 160388, 161499, 195324, 211601, 215332, 240582, 322998, 423202, 481164, 521261, 634803, 645996, 846404, 1042522, 1269606, 1563783, 1643977, 2085044, 2539212, 3127566, 3287954, 4931931, 6255132, 6575908, 9863862, 19727724, 21371701, 42743402, 64115103, 85486804, 128230206, 256460412]

約数ペア:

[(1, 256460412), (2, 128230206), (3, 85486804), (4, 64115103), (6, 42743402), (12, 21371701), (13, 19727724), (26, 9863862), (39, 6575908), (41, 6255132), (52, 4931931), (78, 3287954), (82, 3127566), (101, 2539212), (123, 2085044), (156, 1643977), (164, 1563783), (202, 1269606), (246, 1042522), (303, 846404), (397, 645996), (404, 634803), (492, 521261), (533, 481164), (606, 423202), (794, 322998), (1066, 240582), (1191, 215332), (1212, 211601), (1313, 195324), (1588, 161499), (1599, 160388), (2132, 120291), (2382, 107666), (2626, 97662), (3198, 80194), (3939, 65108), (4141, 61932), (4764, 53833), (5161, 49692), (5252, 48831), (6396, 40097), (7878, 32554), (8282, 30966), (10322, 24846), (12423, 20644), (15483, 16564), (15756, 16277)]