216221208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{31391}}^1$

素因数の和:31448

約数の個数: 64

約数和(自身を含む): 632862720

約数和(自身を除く): 416641512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 84, 123, 164, 168, 246, 287, 328, 492, 574, 861, 984, 1148, 1722, 2296, 3444, 6888, 31391, 62782, 94173, 125564, 188346, 219737, 251128, 376692, 439474, 659211, 753384, 878948, 1287031, 1318422, 1757896, 2574062, 2636844, 3861093, 5148124, 5273688, 7722186, 9009217, 10296248, 15444372, 18018434, 27027651, 30888744, 36036868, 54055302, 72073736, 108110604, 216221208]

約数ペア:

[(1, 216221208), (2, 108110604), (3, 72073736), (4, 54055302), (6, 36036868), (7, 30888744), (8, 27027651), (12, 18018434), (14, 15444372), (21, 10296248), (24, 9009217), (28, 7722186), (41, 5273688), (42, 5148124), (56, 3861093), (82, 2636844), (84, 2574062), (123, 1757896), (164, 1318422), (168, 1287031), (246, 878948), (287, 753384), (328, 659211), (492, 439474), (574, 376692), (861, 251128), (984, 219737), (1148, 188346), (1722, 125564), (2296, 94173), (3444, 62782), (6888, 31391)]