15689872

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{373}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 33390720

約数和(自身を除く): 17700848

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 239, 373, 478, 746, 956, 1492, 1912, 2629, 2984, 3824, 4103, 5258, 5968, 8206, 10516, 16412, 21032, 32824, 42064, 65648, 89147, 178294, 356588, 713176, 980617, 1426352, 1961234, 3922468, 7844936, 15689872]

約数ペア:

[(1, 15689872), (2, 7844936), (4, 3922468), (8, 1961234), (11, 1426352), (16, 980617), (22, 713176), (44, 356588), (88, 178294), (176, 89147), (239, 65648), (373, 42064), (478, 32824), (746, 21032), (956, 16412), (1492, 10516), (1912, 8206), (2629, 5968), (2984, 5258), (3824, 4103)]