81236248

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{659}}^1\times {\mathrm{811}}^1$

素因数の和:1495

約数の個数: 32

約数和(自身を含む): 160776000

約数和(自身を除く): 79539752

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 659, 811, 1318, 1622, 2636, 3244, 5272, 6488, 12521, 15409, 25042, 30818, 50084, 61636, 100168, 123272, 534449, 1068898, 2137796, 4275592, 10154531, 20309062, 40618124, 81236248]

約数ペア:

[(1, 81236248), (2, 40618124), (4, 20309062), (8, 10154531), (19, 4275592), (38, 2137796), (76, 1068898), (152, 534449), (659, 123272), (811, 100168), (1318, 61636), (1622, 50084), (2636, 30818), (3244, 25042), (5272, 15409), (6488, 12521)]