81317208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3083}}^1$

素因数の和:3256

約数の個数: 64

約数和(自身を含む): 233890560

約数和(自身を除く): 152573352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 157, 168, 314, 471, 628, 942, 1099, 1256, 1884, 2198, 3083, 3297, 3768, 4396, 6166, 6594, 8792, 9249, 12332, 13188, 18498, 21581, 24664, 26376, 36996, 43162, 64743, 73992, 86324, 129486, 172648, 258972, 484031, 517944, 968062, 1452093, 1936124, 2904186, 3388217, 3872248, 5808372, 6776434, 10164651, 11616744, 13552868, 20329302, 27105736, 40658604, 81317208]

約数ペア:

[(1, 81317208), (2, 40658604), (3, 27105736), (4, 20329302), (6, 13552868), (7, 11616744), (8, 10164651), (12, 6776434), (14, 5808372), (21, 3872248), (24, 3388217), (28, 2904186), (42, 1936124), (56, 1452093), (84, 968062), (157, 517944), (168, 484031), (314, 258972), (471, 172648), (628, 129486), (942, 86324), (1099, 73992), (1256, 64743), (1884, 43162), (2198, 36996), (3083, 26376), (3297, 24664), (3768, 21581), (4396, 18498), (6166, 13188), (6594, 12332), (8792, 9249)]