1720432885

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1699}}^1$

素因数の和:1921

約数の個数: 32

約数和(自身を含む): 2193408000

約数和(自身を除く): 472975115

約数列:

[1, 5, 31, 47, 139, 155, 235, 695, 1457, 1699, 4309, 6533, 7285, 8495, 21545, 32665, 52669, 79853, 202523, 236161, 263345, 399265, 1012615, 1180805, 2475443, 7320991, 11099567, 12377215, 36604955, 55497835, 344086577, 1720432885]

約数ペア:

[(1, 1720432885), (5, 344086577), (31, 55497835), (47, 36604955), (139, 12377215), (155, 11099567), (235, 7320991), (695, 2475443), (1457, 1180805), (1699, 1012615), (4309, 399265), (6533, 263345), (7285, 236161), (8495, 202523), (21545, 79853), (32665, 52669)]