81084458

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 161118720

約数和(自身を除く): 80034262

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 73, 91, 119, 146, 182, 221, 238, 359, 442, 511, 718, 949, 1022, 1241, 1547, 1898, 2482, 2513, 3094, 4667, 5026, 6103, 6643, 8687, 9334, 12206, 13286, 16133, 17374, 26207, 32266, 32669, 42721, 52414, 65338, 79339, 85442, 112931, 158678, 183449, 225862, 340691, 366898, 445519, 555373, 681382, 891038, 1110746, 2384837, 3118633, 4769674, 5791747, 6237266, 11583494, 40542229, 81084458]

約数ペア:

[(1, 81084458), (2, 40542229), (7, 11583494), (13, 6237266), (14, 5791747), (17, 4769674), (26, 3118633), (34, 2384837), (73, 1110746), (91, 891038), (119, 681382), (146, 555373), (182, 445519), (221, 366898), (238, 340691), (359, 225862), (442, 183449), (511, 158678), (718, 112931), (949, 85442), (1022, 79339), (1241, 65338), (1547, 52414), (1898, 42721), (2482, 32669), (2513, 32266), (3094, 26207), (4667, 17374), (5026, 16133), (6103, 13286), (6643, 12206), (8687, 9334)]