28690116

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 86575104

約数和(自身を除く): 57884988

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 43, 47, 52, 78, 84, 86, 91, 94, 129, 141, 156, 169, 172, 182, 188, 258, 273, 282, 301, 329, 338, 364, 507, 516, 546, 559, 564, 602, 611, 658, 676, 903, 987, 1014, 1092, 1118, 1183, 1204, 1222, 1316, 1677, 1806, 1833, 1974, 2021, 2028, 2236, 2366, 2444, 3354, 3549, 3612, 3666, 3913, 3948, 4042, 4277, 4732, 6063, 6708, 7098, 7267, 7332, 7826, 7943, 8084, 8554, 11739, 12126, 12831, 14147, 14196, 14534, 15652, 15886, 17108, 21801, 23478, 23829, 24252, 25662, 26273, 28294, 29068, 31772, 42441, 43602, 46956, 47658, 50869, 51324, 52546, 55601, 56588, 78819, 84882, 87204, 95316, 101738, 105092, 111202, 152607, 157638, 166803, 169764, 183911, 203476, 222404, 305214, 315276, 333606, 341549, 367822, 551733, 610428, 667212, 683098, 735644, 1024647, 1103466, 1366196, 2049294, 2206932, 2390843, 4098588, 4781686, 7172529, 9563372, 14345058, 28690116]

約数ペア:

[(1, 28690116), (2, 14345058), (3, 9563372), (4, 7172529), (6, 4781686), (7, 4098588), (12, 2390843), (13, 2206932), (14, 2049294), (21, 1366196), (26, 1103466), (28, 1024647), (39, 735644), (42, 683098), (43, 667212), (47, 610428), (52, 551733), (78, 367822), (84, 341549), (86, 333606), (91, 315276), (94, 305214), (129, 222404), (141, 203476), (156, 183911), (169, 169764), (172, 166803), (182, 157638), (188, 152607), (258, 111202), (273, 105092), (282, 101738), (301, 95316), (329, 87204), (338, 84882), (364, 78819), (507, 56588), (516, 55601), (546, 52546), (559, 51324), (564, 50869), (602, 47658), (611, 46956), (658, 43602), (676, 42441), (903, 31772), (987, 29068), (1014, 28294), (1092, 26273), (1118, 25662), (1183, 24252), (1204, 23829), (1222, 23478), (1316, 21801), (1677, 17108), (1806, 15886), (1833, 15652), (1974, 14534), (2021, 14196), (2028, 14147), (2236, 12831), (2366, 12126), (2444, 11739), (3354, 8554), (3549, 8084), (3612, 7943), (3666, 7826), (3913, 7332), (3948, 7267), (4042, 7098), (4277, 6708), (4732, 6063)]