28540468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 57302784

約数和(自身を除く): 28762316

約数列:

[1, 2, 4, 11, 22, 37, 44, 47, 74, 94, 148, 188, 373, 407, 517, 746, 814, 1034, 1492, 1628, 1739, 2068, 3478, 4103, 6956, 8206, 13801, 16412, 17531, 19129, 27602, 35062, 38258, 55204, 70124, 76516, 151811, 192841, 303622, 385682, 607244, 648647, 771364, 1297294, 2594588, 7135117, 14270234, 28540468]

約数ペア:

[(1, 28540468), (2, 14270234), (4, 7135117), (11, 2594588), (22, 1297294), (37, 771364), (44, 648647), (47, 607244), (74, 385682), (94, 303622), (148, 192841), (188, 151811), (373, 76516), (407, 70124), (517, 55204), (746, 38258), (814, 35062), (1034, 27602), (1492, 19129), (1628, 17531), (1739, 16412), (2068, 13801), (3478, 8206), (4103, 6956)]