217572810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79697}}^1$

素因数の和:79727

約数の個数: 64

約数和(自身を含む): 642684672

約数和(自身を除く): 425111862

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 79697, 159394, 239091, 398485, 478182, 557879, 796970, 1036061, 1115758, 1195455, 1673637, 2072122, 2390910, 2789395, 3108183, 3347274, 5180305, 5578790, 6216366, 7252427, 8368185, 10360610, 14504854, 15540915, 16736370, 21757281, 31081830, 36262135, 43514562, 72524270, 108786405, 217572810]

約数ペア:

[(1, 217572810), (2, 108786405), (3, 72524270), (5, 43514562), (6, 36262135), (7, 31081830), (10, 21757281), (13, 16736370), (14, 15540915), (15, 14504854), (21, 10360610), (26, 8368185), (30, 7252427), (35, 6216366), (39, 5578790), (42, 5180305), (65, 3347274), (70, 3108183), (78, 2789395), (91, 2390910), (105, 2072122), (130, 1673637), (182, 1195455), (195, 1115758), (210, 1036061), (273, 796970), (390, 557879), (455, 478182), (546, 398485), (910, 239091), (1365, 159394), (2730, 79697)]