28249130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:903

約数の個数: 64

約数和(自身を含む): 64350720

約数和(自身を除く): 36101590

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 37, 65, 70, 74, 91, 130, 182, 185, 259, 370, 455, 481, 518, 839, 910, 962, 1295, 1678, 2405, 2590, 3367, 4195, 4810, 5873, 6734, 8390, 10907, 11746, 16835, 21814, 29365, 31043, 33670, 54535, 58730, 62086, 76349, 109070, 152698, 155215, 217301, 310430, 381745, 403559, 434602, 763490, 807118, 1086505, 2017795, 2173010, 2824913, 4035590, 5649826, 14124565, 28249130]

約数ペア:

[(1, 28249130), (2, 14124565), (5, 5649826), (7, 4035590), (10, 2824913), (13, 2173010), (14, 2017795), (26, 1086505), (35, 807118), (37, 763490), (65, 434602), (70, 403559), (74, 381745), (91, 310430), (130, 217301), (182, 155215), (185, 152698), (259, 109070), (370, 76349), (455, 62086), (481, 58730), (518, 54535), (839, 33670), (910, 31043), (962, 29365), (1295, 21814), (1678, 16835), (2405, 11746), (2590, 10907), (3367, 8390), (4195, 6734), (4810, 5873)]