217445888

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{38609}}^1$

素因数の和:38638

約数の個数: 40

約数和(自身を含む): 473976360

約数和(自身を除く): 256530472

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1408, 2816, 5632, 38609, 77218, 154436, 308872, 424699, 617744, 849398, 1235488, 1698796, 2470976, 3397592, 4941952, 6795184, 9883904, 13590368, 19767808, 27180736, 54361472, 108722944, 217445888]

約数ペア:

[(1, 217445888), (2, 108722944), (4, 54361472), (8, 27180736), (11, 19767808), (16, 13590368), (22, 9883904), (32, 6795184), (44, 4941952), (64, 3397592), (88, 2470976), (128, 1698796), (176, 1235488), (256, 849398), (352, 617744), (512, 424699), (704, 308872), (1408, 154436), (2816, 77218), (5632, 38609)]