198358528

素因数分解:

$2^9\times {\mathrm{239}}^1\times {\mathrm{1621}}^1$

素因数の和:1878

約数の個数: 40

約数和(自身を含む): 398233440

約数和(自身を除く): 199874912

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 239, 256, 478, 512, 956, 1621, 1912, 3242, 3824, 6484, 7648, 12968, 15296, 25936, 30592, 51872, 61184, 103744, 122368, 207488, 387419, 414976, 774838, 829952, 1549676, 3099352, 6198704, 12397408, 24794816, 49589632, 99179264, 198358528]

約数ペア:

[(1, 198358528), (2, 99179264), (4, 49589632), (8, 24794816), (16, 12397408), (32, 6198704), (64, 3099352), (128, 1549676), (239, 829952), (256, 774838), (478, 414976), (512, 387419), (956, 207488), (1621, 122368), (1912, 103744), (3242, 61184), (3824, 51872), (6484, 30592), (7648, 25936), (12968, 15296)]