72845255

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5323}}^1$

素因数の和:5375

約数の個数: 32

約数和(自身を含む): 110398464

約数和(自身を除く): 37553209

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1955, 2737, 5323, 13685, 26615, 37261, 90491, 122429, 186305, 452455, 612145, 633437, 857003, 2081293, 3167185, 4285015, 10406465, 14569051, 72845255]

約数ペア:

[(1, 72845255), (5, 14569051), (7, 10406465), (17, 4285015), (23, 3167185), (35, 2081293), (85, 857003), (115, 633437), (119, 612145), (161, 452455), (391, 186305), (595, 122429), (805, 90491), (1955, 37261), (2737, 26615), (5323, 13685)]