71898190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{11287}}^1$

素因数の和:11321

約数の個数: 48

約数和(自身を含む): 162140832

約数和(自身を除く): 90242642

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 11287, 22574, 56435, 79009, 112870, 146731, 158018, 293462, 395045, 553063, 733655, 790090, 1027117, 1106126, 1467310, 2054234, 2765315, 5135585, 5530630, 7189819, 10271170, 14379638, 35949095, 71898190]

約数ペア:

[(1, 71898190), (2, 35949095), (5, 14379638), (7, 10271170), (10, 7189819), (13, 5530630), (14, 5135585), (26, 2765315), (35, 2054234), (49, 1467310), (65, 1106126), (70, 1027117), (91, 790090), (98, 733655), (130, 553063), (182, 395045), (245, 293462), (455, 158018), (490, 146731), (637, 112870), (910, 79009), (1274, 56435), (3185, 22574), (6370, 11287)]