165999625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 245306880

約数和(自身を除く): 79307255

約数列:

[1, 5, 11, 23, 25, 29, 55, 115, 125, 145, 181, 253, 275, 319, 575, 667, 725, 905, 1265, 1375, 1595, 1991, 2875, 3335, 3625, 4163, 4525, 5249, 6325, 7337, 7975, 9955, 16675, 20815, 22625, 26245, 31625, 36685, 39875, 45793, 49775, 57739, 83375, 104075, 120727, 131225, 183425, 228965, 248875, 288695, 520375, 603635, 656125, 917125, 1144825, 1327997, 1443475, 3018175, 5724125, 6639985, 7217375, 15090875, 33199925, 165999625]

約数ペア:

[(1, 165999625), (5, 33199925), (11, 15090875), (23, 7217375), (25, 6639985), (29, 5724125), (55, 3018175), (115, 1443475), (125, 1327997), (145, 1144825), (181, 917125), (253, 656125), (275, 603635), (319, 520375), (575, 288695), (667, 248875), (725, 228965), (905, 183425), (1265, 131225), (1375, 120727), (1595, 104075), (1991, 83375), (2875, 57739), (3335, 49775), (3625, 45793), (4163, 39875), (4525, 36685), (5249, 31625), (6325, 26245), (7337, 22625), (7975, 20815), (9955, 16675)]