216820362

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4021}}^1$

素因数の和:4099

約数の個数: 64

約数和(自身を含む): 509667840

約数和(自身を除く): 292847478

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 43, 57, 66, 86, 114, 129, 209, 258, 418, 473, 627, 817, 946, 1254, 1419, 1634, 2451, 2838, 4021, 4902, 8042, 8987, 12063, 17974, 24126, 26961, 44231, 53922, 76399, 88462, 132693, 152798, 172903, 229197, 265386, 345806, 458394, 518709, 840389, 1037418, 1680778, 1901933, 2521167, 3285157, 3803866, 5042334, 5705799, 6570314, 9855471, 11411598, 19710942, 36136727, 72273454, 108410181, 216820362]

約数ペア:

[(1, 216820362), (2, 108410181), (3, 72273454), (6, 36136727), (11, 19710942), (19, 11411598), (22, 9855471), (33, 6570314), (38, 5705799), (43, 5042334), (57, 3803866), (66, 3285157), (86, 2521167), (114, 1901933), (129, 1680778), (209, 1037418), (258, 840389), (418, 518709), (473, 458394), (627, 345806), (817, 265386), (946, 229197), (1254, 172903), (1419, 152798), (1634, 132693), (2451, 88462), (2838, 76399), (4021, 53922), (4902, 44231), (8042, 26961), (8987, 24126), (12063, 17974)]