407831428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{7699}}^1$

素因数の和:7780

約数の個数: 48

約数和(自身を含む): 814968000

約数和(自身を除く): 407136572

約数列:

[1, 2, 4, 17, 19, 34, 38, 41, 68, 76, 82, 164, 323, 646, 697, 779, 1292, 1394, 1558, 2788, 3116, 7699, 13243, 15398, 26486, 30796, 52972, 130883, 146281, 261766, 292562, 315659, 523532, 585124, 631318, 1262636, 2486777, 4973554, 5366203, 5997521, 9947108, 10732406, 11995042, 21464812, 23990084, 101957857, 203915714, 407831428]

約数ペア:

[(1, 407831428), (2, 203915714), (4, 101957857), (17, 23990084), (19, 21464812), (34, 11995042), (38, 10732406), (41, 9947108), (68, 5997521), (76, 5366203), (82, 4973554), (164, 2486777), (323, 1262636), (646, 631318), (697, 585124), (779, 523532), (1292, 315659), (1394, 292562), (1558, 261766), (2788, 146281), (3116, 130883), (7699, 52972), (13243, 30796), (15398, 26486)]