31330088

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 65472000

約数和(自身を除く): 34141912

約数列:

[1, 2, 4, 8, 19, 31, 38, 61, 62, 76, 109, 122, 124, 152, 218, 244, 248, 436, 488, 589, 872, 1159, 1178, 1891, 2071, 2318, 2356, 3379, 3782, 4142, 4636, 4712, 6649, 6758, 7564, 8284, 9272, 13298, 13516, 15128, 16568, 26596, 27032, 35929, 53192, 64201, 71858, 126331, 128402, 143716, 206119, 252662, 256804, 287432, 412238, 505324, 513608, 824476, 1010648, 1648952, 3916261, 7832522, 15665044, 31330088]

約数ペア:

[(1, 31330088), (2, 15665044), (4, 7832522), (8, 3916261), (19, 1648952), (31, 1010648), (38, 824476), (61, 513608), (62, 505324), (76, 412238), (109, 287432), (122, 256804), (124, 252662), (152, 206119), (218, 143716), (244, 128402), (248, 126331), (436, 71858), (488, 64201), (589, 53192), (872, 35929), (1159, 27032), (1178, 26596), (1891, 16568), (2071, 15128), (2318, 13516), (2356, 13298), (3379, 9272), (3782, 8284), (4142, 7564), (4636, 6758), (4712, 6649)]