31844995

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 20409725

約数列:

[1, 5, 7, 13, 17, 23, 35, 65, 85, 91, 115, 119, 161, 179, 221, 299, 391, 455, 595, 805, 895, 1105, 1253, 1495, 1547, 1955, 2093, 2327, 2737, 3043, 4117, 5083, 6265, 7735, 10465, 11635, 13685, 15215, 16289, 20585, 21301, 25415, 28819, 35581, 39559, 53521, 69989, 81445, 106505, 144095, 177905, 197795, 267605, 276913, 349945, 374647, 489923, 909857, 1384565, 1873235, 2449615, 4549285, 6368999, 31844995]

約数ペア:

[(1, 31844995), (5, 6368999), (7, 4549285), (13, 2449615), (17, 1873235), (23, 1384565), (35, 909857), (65, 489923), (85, 374647), (91, 349945), (115, 276913), (119, 267605), (161, 197795), (179, 177905), (221, 144095), (299, 106505), (391, 81445), (455, 69989), (595, 53521), (805, 39559), (895, 35581), (1105, 28819), (1253, 25415), (1495, 21301), (1547, 20585), (1955, 16289), (2093, 15215), (2327, 13685), (2737, 11635), (3043, 10465), (4117, 7735), (5083, 6265)]