71039870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:737

約数の個数: 64

約数和(自身を含む): 149174784

約数和(自身を除く): 78134914

約数列:

[1, 2, 5, 10, 11, 22, 23, 43, 46, 55, 86, 110, 115, 215, 230, 253, 430, 473, 506, 653, 946, 989, 1265, 1306, 1978, 2365, 2530, 3265, 4730, 4945, 6530, 7183, 9890, 10879, 14366, 15019, 21758, 28079, 30038, 35915, 54395, 56158, 71830, 75095, 108790, 140395, 150190, 165209, 280790, 308869, 330418, 617738, 645817, 826045, 1291634, 1544345, 1652090, 3088690, 3229085, 6458170, 7103987, 14207974, 35519935, 71039870]

約数ペア:

[(1, 71039870), (2, 35519935), (5, 14207974), (10, 7103987), (11, 6458170), (22, 3229085), (23, 3088690), (43, 1652090), (46, 1544345), (55, 1291634), (86, 826045), (110, 645817), (115, 617738), (215, 330418), (230, 308869), (253, 280790), (430, 165209), (473, 150190), (506, 140395), (653, 108790), (946, 75095), (989, 71830), (1265, 56158), (1306, 54395), (1978, 35915), (2365, 30038), (2530, 28079), (3265, 21758), (4730, 15019), (4945, 14366), (6530, 10879), (7183, 9890)]