2578212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1$

素因数の和:817

約数の個数: 72

約数和(自身を含む): 8031296

約数和(自身を除く): 5453084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 787, 819, 1092, 1574, 1638, 2361, 3148, 3276, 4722, 5509, 7083, 9444, 10231, 11018, 14166, 16527, 20462, 22036, 28332, 30693, 33054, 40924, 49581, 61386, 66108, 71617, 92079, 99162, 122772, 143234, 184158, 198324, 214851, 286468, 368316, 429702, 644553, 859404, 1289106, 2578212]

約数ペア:

[(1, 2578212), (2, 1289106), (3, 859404), (4, 644553), (6, 429702), (7, 368316), (9, 286468), (12, 214851), (13, 198324), (14, 184158), (18, 143234), (21, 122772), (26, 99162), (28, 92079), (36, 71617), (39, 66108), (42, 61386), (52, 49581), (63, 40924), (78, 33054), (84, 30693), (91, 28332), (117, 22036), (126, 20462), (156, 16527), (182, 14166), (234, 11018), (252, 10231), (273, 9444), (364, 7083), (468, 5509), (546, 4722), (787, 3276), (819, 3148), (1092, 2361), (1574, 1638)]