1258408190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{509477}}^1$

素因数の和:509516

約数の個数: 32

約数和(自身を含む): 2567769120

約数和(自身を除く): 1309360930

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 509477, 1018954, 2547385, 5094770, 6623201, 9680063, 13246402, 19360126, 33116005, 48400315, 66232010, 96800630, 125840819, 251681638, 629204095, 1258408190]

約数ペア:

[(1, 1258408190), (2, 629204095), (5, 251681638), (10, 125840819), (13, 96800630), (19, 66232010), (26, 48400315), (38, 33116005), (65, 19360126), (95, 13246402), (130, 9680063), (190, 6623201), (247, 5094770), (494, 2547385), (1235, 1018954), (2470, 509477)]