389636528

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{1621}}^1$

素因数の和:1893

約数の個数: 40

約数和(自身を含む): 768711216

約数和(自身を除く): 379074688

約数列:

[1, 2, 4, 8, 16, 83, 166, 181, 332, 362, 664, 724, 1328, 1448, 1621, 2896, 3242, 6484, 12968, 15023, 25936, 30046, 60092, 120184, 134543, 240368, 269086, 293401, 538172, 586802, 1076344, 1173604, 2152688, 2347208, 4694416, 24352283, 48704566, 97409132, 194818264, 389636528]

約数ペア:

[(1, 389636528), (2, 194818264), (4, 97409132), (8, 48704566), (16, 24352283), (83, 4694416), (166, 2347208), (181, 2152688), (332, 1173604), (362, 1076344), (664, 586802), (724, 538172), (1328, 293401), (1448, 269086), (1621, 240368), (2896, 134543), (3242, 120184), (6484, 60092), (12968, 30046), (15023, 25936)]