28847754

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 71495424

約数和(自身を除く): 42647670

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 47, 61, 78, 86, 94, 117, 122, 129, 141, 183, 234, 258, 282, 366, 387, 423, 549, 559, 611, 774, 793, 846, 1098, 1118, 1222, 1586, 1677, 1833, 2021, 2379, 2623, 2867, 3354, 3666, 4042, 4758, 5031, 5246, 5499, 5734, 6063, 7137, 7869, 8601, 10062, 10998, 12126, 14274, 15738, 17202, 18189, 23607, 25803, 26273, 34099, 36378, 37271, 47214, 51606, 52546, 68198, 74542, 78819, 102297, 111813, 123281, 157638, 204594, 223626, 236457, 246562, 306891, 335439, 369843, 472914, 613782, 670878, 739686, 1109529, 1602653, 2219058, 3205306, 4807959, 9615918, 14423877, 28847754]

約数ペア:

[(1, 28847754), (2, 14423877), (3, 9615918), (6, 4807959), (9, 3205306), (13, 2219058), (18, 1602653), (26, 1109529), (39, 739686), (43, 670878), (47, 613782), (61, 472914), (78, 369843), (86, 335439), (94, 306891), (117, 246562), (122, 236457), (129, 223626), (141, 204594), (183, 157638), (234, 123281), (258, 111813), (282, 102297), (366, 78819), (387, 74542), (423, 68198), (549, 52546), (559, 51606), (611, 47214), (774, 37271), (793, 36378), (846, 34099), (1098, 26273), (1118, 25803), (1222, 23607), (1586, 18189), (1677, 17202), (1833, 15738), (2021, 14274), (2379, 12126), (2623, 10998), (2867, 10062), (3354, 8601), (3666, 7869), (4042, 7137), (4758, 6063), (5031, 5734), (5246, 5499)]