25105916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 51408000

約数和(自身を除く): 26302084

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 59, 76, 118, 209, 236, 418, 509, 649, 836, 1018, 1121, 1298, 2036, 2242, 2596, 4484, 5599, 9671, 11198, 12331, 19342, 22396, 24662, 30031, 38684, 49324, 60062, 106381, 120124, 212762, 330341, 425524, 570589, 660682, 1141178, 1321364, 2282356, 6276479, 12552958, 25105916]

約数ペア:

[(1, 25105916), (2, 12552958), (4, 6276479), (11, 2282356), (19, 1321364), (22, 1141178), (38, 660682), (44, 570589), (59, 425524), (76, 330341), (118, 212762), (209, 120124), (236, 106381), (418, 60062), (509, 49324), (649, 38684), (836, 30031), (1018, 24662), (1121, 22396), (1298, 19342), (2036, 12331), (2242, 11198), (2596, 9671), (4484, 5599)]