31991388

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 89037312

約数和(自身を除く): 57045924

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 103, 132, 143, 156, 181, 206, 286, 309, 362, 412, 429, 543, 572, 618, 724, 858, 1086, 1133, 1236, 1339, 1716, 1991, 2172, 2266, 2353, 2678, 3399, 3982, 4017, 4532, 4706, 5356, 5973, 6798, 7059, 7964, 8034, 9412, 11946, 13596, 14118, 14729, 16068, 18643, 23892, 25883, 28236, 29458, 37286, 44187, 51766, 55929, 58916, 74572, 77649, 88374, 103532, 111858, 155298, 176748, 205073, 223716, 242359, 310596, 410146, 484718, 615219, 727077, 820292, 969436, 1230438, 1454154, 2460876, 2665949, 2908308, 5331898, 7997847, 10663796, 15995694, 31991388]

約数ペア:

[(1, 31991388), (2, 15995694), (3, 10663796), (4, 7997847), (6, 5331898), (11, 2908308), (12, 2665949), (13, 2460876), (22, 1454154), (26, 1230438), (33, 969436), (39, 820292), (44, 727077), (52, 615219), (66, 484718), (78, 410146), (103, 310596), (132, 242359), (143, 223716), (156, 205073), (181, 176748), (206, 155298), (286, 111858), (309, 103532), (362, 88374), (412, 77649), (429, 74572), (543, 58916), (572, 55929), (618, 51766), (724, 44187), (858, 37286), (1086, 29458), (1133, 28236), (1236, 25883), (1339, 23892), (1716, 18643), (1991, 16068), (2172, 14729), (2266, 14118), (2353, 13596), (2678, 11946), (3399, 9412), (3982, 8034), (4017, 7964), (4532, 7059), (4706, 6798), (5356, 5973)]