71326190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 148055040

約数和(自身を除く): 76728850

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 67, 95, 130, 134, 190, 247, 335, 431, 494, 670, 862, 871, 1235, 1273, 1742, 2155, 2470, 2546, 4310, 4355, 5603, 6365, 8189, 8710, 11206, 12730, 16378, 16549, 28015, 28877, 33098, 40945, 56030, 57754, 81890, 82745, 106457, 144385, 165490, 212914, 288770, 375401, 532285, 548663, 750802, 1064570, 1097326, 1877005, 2743315, 3754010, 5486630, 7132619, 14265238, 35663095, 71326190]

約数ペア:

[(1, 71326190), (2, 35663095), (5, 14265238), (10, 7132619), (13, 5486630), (19, 3754010), (26, 2743315), (38, 1877005), (65, 1097326), (67, 1064570), (95, 750802), (130, 548663), (134, 532285), (190, 375401), (247, 288770), (335, 212914), (431, 165490), (494, 144385), (670, 106457), (862, 82745), (871, 81890), (1235, 57754), (1273, 56030), (1742, 40945), (2155, 33098), (2470, 28877), (2546, 28015), (4310, 16549), (4355, 16378), (5603, 12730), (6365, 11206), (8189, 8710)]