281337321910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{1487}}^1\times {\mathrm{2861}}^1$

素因数の和:4761

約数の個数: 64

約数和(自身を含む): 538123772160

約数和(自身を除く): 256786450250

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 389, 778, 1487, 1945, 2861, 2974, 3890, 5722, 6613, 7435, 13226, 14305, 14870, 25279, 28610, 33065, 48637, 50558, 66130, 97274, 126395, 243185, 252790, 486370, 578443, 1112929, 1156886, 2225858, 2892215, 4254307, 5564645, 5784430, 8508614, 9833531, 11129290, 18919793, 19667062, 21271535, 37839586, 42543070, 49167655, 72323219, 94598965, 98335310, 144646438, 189197930, 361616095, 723232190, 1654925423, 3309850846, 8274627115, 16549254230, 28133732191, 56267464382, 140668660955, 281337321910]

約数ペア:

[(1, 281337321910), (2, 140668660955), (5, 56267464382), (10, 28133732191), (17, 16549254230), (34, 8274627115), (85, 3309850846), (170, 1654925423), (389, 723232190), (778, 361616095), (1487, 189197930), (1945, 144646438), (2861, 98335310), (2974, 94598965), (3890, 72323219), (5722, 49167655), (6613, 42543070), (7435, 37839586), (13226, 21271535), (14305, 19667062), (14870, 18919793), (25279, 11129290), (28610, 9833531), (33065, 8508614), (48637, 5784430), (50558, 5564645), (66130, 4254307), (97274, 2892215), (126395, 2225858), (243185, 1156886), (252790, 1112929), (486370, 578443)]