1289357936

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{18521}}^1$

素因数の和:18777

約数の個数: 40

約数和(自身を含む): 2641237200

約数和(自身を除く): 1351879264

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 229, 304, 458, 916, 1832, 3664, 4351, 8702, 17404, 18521, 34808, 37042, 69616, 74084, 148168, 296336, 351899, 703798, 1407596, 2815192, 4241309, 5630384, 8482618, 16965236, 33930472, 67860944, 80584871, 161169742, 322339484, 644678968, 1289357936]

約数ペア:

[(1, 1289357936), (2, 644678968), (4, 322339484), (8, 161169742), (16, 80584871), (19, 67860944), (38, 33930472), (76, 16965236), (152, 8482618), (229, 5630384), (304, 4241309), (458, 2815192), (916, 1407596), (1832, 703798), (3664, 351899), (4351, 296336), (8702, 148168), (17404, 74084), (18521, 69616), (34808, 37042)]