28074305

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 42626880

約数和(自身を除く): 14552575

約数列:

[1, 5, 7, 19, 35, 37, 49, 95, 133, 163, 185, 245, 259, 665, 703, 815, 931, 1141, 1295, 1813, 3097, 3515, 4655, 4921, 5705, 6031, 7987, 9065, 15485, 21679, 24605, 30155, 34447, 39935, 42217, 108395, 114589, 151753, 172235, 211085, 295519, 572945, 758765, 802123, 1477595, 4010615, 5614861, 28074305]

約数ペア:

[(1, 28074305), (5, 5614861), (7, 4010615), (19, 1477595), (35, 802123), (37, 758765), (49, 572945), (95, 295519), (133, 211085), (163, 172235), (185, 151753), (245, 114589), (259, 108395), (665, 42217), (703, 39935), (815, 34447), (931, 30155), (1141, 24605), (1295, 21679), (1813, 15485), (3097, 9065), (3515, 7987), (4655, 6031), (4921, 5705)]