71308540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1601}}^1$

素因数の和:1758

約数の個数: 48

約数和(自身を含む): 159866784

約数和(自身を除く): 88558244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 262, 340, 524, 655, 1310, 1601, 2227, 2620, 3202, 4454, 6404, 8005, 8908, 11135, 16010, 22270, 27217, 32020, 44540, 54434, 108868, 136085, 209731, 272170, 419462, 544340, 838924, 1048655, 2097310, 3565427, 4194620, 7130854, 14261708, 17827135, 35654270, 71308540]

約数ペア:

[(1, 71308540), (2, 35654270), (4, 17827135), (5, 14261708), (10, 7130854), (17, 4194620), (20, 3565427), (34, 2097310), (68, 1048655), (85, 838924), (131, 544340), (170, 419462), (262, 272170), (340, 209731), (524, 136085), (655, 108868), (1310, 54434), (1601, 44540), (2227, 32020), (2620, 27217), (3202, 22270), (4454, 16010), (6404, 11135), (8005, 8908)]