38661428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 77616000

約数和(自身を除く): 38954572

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 109, 218, 247, 359, 436, 494, 718, 988, 1417, 1436, 2071, 2834, 4142, 4667, 5668, 6821, 8284, 9334, 13642, 18668, 26923, 27284, 39131, 53846, 78262, 88673, 107692, 156524, 177346, 354692, 508703, 743489, 1017406, 1486978, 2034812, 2973956, 9665357, 19330714, 38661428]

約数ペア:

[(1, 38661428), (2, 19330714), (4, 9665357), (13, 2973956), (19, 2034812), (26, 1486978), (38, 1017406), (52, 743489), (76, 508703), (109, 354692), (218, 177346), (247, 156524), (359, 107692), (436, 88673), (494, 78262), (718, 53846), (988, 39131), (1417, 27284), (1436, 26923), (2071, 18668), (2834, 13642), (4142, 9334), (4667, 8284), (5668, 6821)]