7661875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:97

約数の個数: 40

約数和(自身を含む): 11021472

約数和(自身を除く): 3359597

約数列:

[1, 5, 13, 23, 25, 41, 65, 115, 125, 205, 299, 325, 533, 575, 625, 943, 1025, 1495, 1625, 2665, 2875, 4715, 5125, 7475, 8125, 12259, 13325, 14375, 23575, 25625, 37375, 61295, 66625, 117875, 186875, 306475, 333125, 589375, 1532375, 7661875]

約数ペア:

[(1, 7661875), (5, 1532375), (13, 589375), (23, 333125), (25, 306475), (41, 186875), (65, 117875), (115, 66625), (125, 61295), (205, 37375), (299, 25625), (325, 23575), (533, 14375), (575, 13325), (625, 12259), (943, 8125), (1025, 7475), (1495, 5125), (1625, 4715), (2665, 2875)]