87404772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 259725312

約数和(自身を除く): 172320540

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 47, 52, 78, 84, 91, 94, 131, 141, 156, 169, 182, 188, 262, 273, 282, 329, 338, 364, 393, 507, 524, 546, 564, 611, 658, 676, 786, 917, 987, 1014, 1092, 1183, 1222, 1316, 1572, 1703, 1833, 1834, 1974, 2028, 2366, 2444, 2751, 3406, 3549, 3666, 3668, 3948, 4277, 4732, 5109, 5502, 6157, 6812, 7098, 7332, 7943, 8554, 10218, 11004, 11921, 12314, 12831, 14196, 15886, 17108, 18471, 20436, 22139, 23829, 23842, 24628, 25662, 31772, 35763, 36942, 43099, 44278, 47658, 47684, 51324, 55601, 66417, 71526, 73884, 80041, 86198, 88556, 95316, 111202, 129297, 132834, 143052, 154973, 160082, 166803, 172396, 222404, 240123, 258594, 265668, 309946, 320164, 333606, 464919, 480246, 517188, 560287, 619892, 667212, 929838, 960492, 1040533, 1120574, 1680861, 1859676, 2081066, 2241148, 3121599, 3361722, 4162132, 6243198, 6723444, 7283731, 12486396, 14567462, 21851193, 29134924, 43702386, 87404772]

約数ペア:

[(1, 87404772), (2, 43702386), (3, 29134924), (4, 21851193), (6, 14567462), (7, 12486396), (12, 7283731), (13, 6723444), (14, 6243198), (21, 4162132), (26, 3361722), (28, 3121599), (39, 2241148), (42, 2081066), (47, 1859676), (52, 1680861), (78, 1120574), (84, 1040533), (91, 960492), (94, 929838), (131, 667212), (141, 619892), (156, 560287), (169, 517188), (182, 480246), (188, 464919), (262, 333606), (273, 320164), (282, 309946), (329, 265668), (338, 258594), (364, 240123), (393, 222404), (507, 172396), (524, 166803), (546, 160082), (564, 154973), (611, 143052), (658, 132834), (676, 129297), (786, 111202), (917, 95316), (987, 88556), (1014, 86198), (1092, 80041), (1183, 73884), (1222, 71526), (1316, 66417), (1572, 55601), (1703, 51324), (1833, 47684), (1834, 47658), (1974, 44278), (2028, 43099), (2366, 36942), (2444, 35763), (2751, 31772), (3406, 25662), (3549, 24628), (3666, 23842), (3668, 23829), (3948, 22139), (4277, 20436), (4732, 18471), (5109, 17108), (5502, 15886), (6157, 14196), (6812, 12831), (7098, 12314), (7332, 11921), (7943, 11004), (8554, 10218)]