85889188

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 191443392

約数和(自身を除く): 105554204

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 101, 121, 154, 202, 242, 251, 308, 404, 484, 502, 707, 847, 1004, 1111, 1414, 1694, 1757, 2222, 2761, 2828, 3388, 3514, 4444, 5522, 7028, 7777, 11044, 12221, 15554, 19327, 24442, 25351, 30371, 31108, 38654, 48884, 50702, 60742, 77308, 85547, 101404, 121484, 171094, 177457, 212597, 278861, 342188, 354914, 425194, 557722, 709828, 850388, 1115444, 1952027, 3067471, 3904054, 6134942, 7808108, 12269884, 21472297, 42944594, 85889188]

約数ペア:

[(1, 85889188), (2, 42944594), (4, 21472297), (7, 12269884), (11, 7808108), (14, 6134942), (22, 3904054), (28, 3067471), (44, 1952027), (77, 1115444), (101, 850388), (121, 709828), (154, 557722), (202, 425194), (242, 354914), (251, 342188), (308, 278861), (404, 212597), (484, 177457), (502, 171094), (707, 121484), (847, 101404), (1004, 85547), (1111, 77308), (1414, 60742), (1694, 50702), (1757, 48884), (2222, 38654), (2761, 31108), (2828, 30371), (3388, 25351), (3514, 24442), (4444, 19327), (5522, 15554), (7028, 12221), (7777, 11044)]