31659550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{919}}^1$

素因数の和:997

約数の個数: 48

約数和(自身を含む): 64683360

約数和(自身を除く): 33023810

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 265, 325, 530, 650, 689, 919, 1325, 1378, 1838, 2650, 3445, 4595, 6890, 9190, 11947, 17225, 22975, 23894, 34450, 45950, 48707, 59735, 97414, 119470, 243535, 298675, 487070, 597350, 633191, 1217675, 1266382, 2435350, 3165955, 6331910, 15829775, 31659550]

約数ペア:

[(1, 31659550), (2, 15829775), (5, 6331910), (10, 3165955), (13, 2435350), (25, 1266382), (26, 1217675), (50, 633191), (53, 597350), (65, 487070), (106, 298675), (130, 243535), (265, 119470), (325, 97414), (530, 59735), (650, 48707), (689, 45950), (919, 34450), (1325, 23894), (1378, 22975), (1838, 17225), (2650, 11947), (3445, 9190), (4595, 6890)]