28123572

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 74833920

約数和(自身を除く): 46710348

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 31, 38, 46, 57, 62, 69, 76, 92, 93, 114, 124, 138, 173, 186, 228, 276, 346, 372, 437, 519, 589, 692, 713, 874, 1038, 1178, 1311, 1426, 1748, 1767, 2076, 2139, 2356, 2622, 2852, 3287, 3534, 3979, 4278, 5244, 5363, 6574, 7068, 7958, 8556, 9861, 10726, 11937, 13148, 13547, 15916, 16089, 19722, 21452, 23874, 27094, 32178, 39444, 40641, 47748, 54188, 64356, 75601, 81282, 101897, 123349, 151202, 162564, 203794, 226803, 246698, 302404, 305691, 370047, 407588, 453606, 493396, 611382, 740094, 907212, 1222764, 1480188, 2343631, 4687262, 7030893, 9374524, 14061786, 28123572]

約数ペア:

[(1, 28123572), (2, 14061786), (3, 9374524), (4, 7030893), (6, 4687262), (12, 2343631), (19, 1480188), (23, 1222764), (31, 907212), (38, 740094), (46, 611382), (57, 493396), (62, 453606), (69, 407588), (76, 370047), (92, 305691), (93, 302404), (114, 246698), (124, 226803), (138, 203794), (173, 162564), (186, 151202), (228, 123349), (276, 101897), (346, 81282), (372, 75601), (437, 64356), (519, 54188), (589, 47748), (692, 40641), (713, 39444), (874, 32178), (1038, 27094), (1178, 23874), (1311, 21452), (1426, 19722), (1748, 16089), (1767, 15916), (2076, 13547), (2139, 13148), (2356, 11937), (2622, 10726), (2852, 9861), (3287, 8556), (3534, 7958), (3979, 7068), (4278, 6574), (5244, 5363)]