128170444

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 242161920

約数和(自身を除く): 113991476

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 179, 181, 358, 362, 716, 724, 989, 1978, 3956, 4117, 4163, 7697, 7783, 8234, 8326, 15394, 15566, 16468, 16652, 30788, 31132, 32399, 64798, 129596, 177031, 179009, 354062, 358018, 708124, 716036, 745177, 1393157, 1490354, 2786314, 2980708, 5572628, 32042611, 64085222, 128170444]

約数ペア:

[(1, 128170444), (2, 64085222), (4, 32042611), (23, 5572628), (43, 2980708), (46, 2786314), (86, 1490354), (92, 1393157), (172, 745177), (179, 716036), (181, 708124), (358, 358018), (362, 354062), (716, 179009), (724, 177031), (989, 129596), (1978, 64798), (3956, 32399), (4117, 31132), (4163, 30788), (7697, 16652), (7783, 16468), (8234, 15566), (8326, 15394)]