31189730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1283}}^1$

素因数の和:1331

約数の個数: 64

約数和(自身を含む): 69890688

約数和(自身を除く): 38700958

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 130, 143, 170, 187, 221, 286, 374, 442, 715, 935, 1105, 1283, 1430, 1870, 2210, 2431, 2566, 4862, 6415, 12155, 12830, 14113, 16679, 21811, 24310, 28226, 33358, 43622, 70565, 83395, 109055, 141130, 166790, 183469, 218110, 239921, 283543, 366938, 479842, 567086, 917345, 1199605, 1417715, 1834690, 2399210, 2835430, 3118973, 6237946, 15594865, 31189730]

約数ペア:

[(1, 31189730), (2, 15594865), (5, 6237946), (10, 3118973), (11, 2835430), (13, 2399210), (17, 1834690), (22, 1417715), (26, 1199605), (34, 917345), (55, 567086), (65, 479842), (85, 366938), (110, 283543), (130, 239921), (143, 218110), (170, 183469), (187, 166790), (221, 141130), (286, 109055), (374, 83395), (442, 70565), (715, 43622), (935, 33358), (1105, 28226), (1283, 24310), (1430, 21811), (1870, 16679), (2210, 14113), (2431, 12830), (2566, 12155), (4862, 6415)]