123156784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{241}}^1$

素因数の和:350

約数の個数: 60

約数和(自身を含む): 258518920

約数和(自身を除く): 135362136

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 241, 304, 328, 482, 656, 779, 964, 1558, 1681, 1928, 3116, 3362, 3856, 4579, 6232, 6724, 9158, 9881, 12464, 13448, 18316, 19762, 26896, 31939, 36632, 39524, 63878, 73264, 79048, 127756, 158096, 187739, 255512, 375478, 405121, 511024, 750956, 810242, 1501912, 1620484, 3003824, 3240968, 6481936, 7697299, 15394598, 30789196, 61578392, 123156784]

約数ペア:

[(1, 123156784), (2, 61578392), (4, 30789196), (8, 15394598), (16, 7697299), (19, 6481936), (38, 3240968), (41, 3003824), (76, 1620484), (82, 1501912), (152, 810242), (164, 750956), (241, 511024), (304, 405121), (328, 375478), (482, 255512), (656, 187739), (779, 158096), (964, 127756), (1558, 79048), (1681, 73264), (1928, 63878), (3116, 39524), (3362, 36632), (3856, 31939), (4579, 26896), (6232, 19762), (6724, 18316), (9158, 13448), (9881, 12464)]