87213490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 194503680

約数和(自身を除く): 107290190

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 239, 401, 455, 478, 802, 910, 1195, 1673, 2005, 2390, 2807, 3107, 3346, 4010, 5213, 5614, 6214, 8365, 10426, 14035, 15535, 16730, 21749, 26065, 28070, 31070, 36491, 43498, 52130, 72982, 95839, 108745, 182455, 191678, 217490, 364910, 479195, 670873, 958390, 1245907, 1341746, 2491814, 3354365, 6229535, 6708730, 8721349, 12459070, 17442698, 43606745, 87213490]

約数ペア:

[(1, 87213490), (2, 43606745), (5, 17442698), (7, 12459070), (10, 8721349), (13, 6708730), (14, 6229535), (26, 3354365), (35, 2491814), (65, 1341746), (70, 1245907), (91, 958390), (130, 670873), (182, 479195), (239, 364910), (401, 217490), (455, 191678), (478, 182455), (802, 108745), (910, 95839), (1195, 72982), (1673, 52130), (2005, 43498), (2390, 36491), (2807, 31070), (3107, 28070), (3346, 26065), (4010, 21749), (5213, 16730), (5614, 15535), (6214, 14035), (8365, 10426)]