649218336

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{787}}^1$

素因数の和:1474

約数の個数: 96

約数和(自身を含む): 1840402368

約数和(自身を除く): 1191184032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 661, 787, 1248, 1322, 1574, 1983, 2361, 2644, 3148, 3966, 4722, 5288, 6296, 7932, 8593, 9444, 10231, 10576, 12592, 15864, 17186, 18888, 20462, 21152, 25184, 25779, 30693, 31728, 34372, 37776, 40924, 51558, 61386, 63456, 68744, 75552, 81848, 103116, 122772, 137488, 163696, 206232, 245544, 274976, 327392, 412464, 491088, 520207, 824928, 982176, 1040414, 1560621, 2080828, 3121242, 4161656, 6242484, 6762691, 8323312, 12484968, 13525382, 16646624, 20288073, 24969936, 27050764, 40576146, 49939872, 54101528, 81152292, 108203056, 162304584, 216406112, 324609168, 649218336]

約数ペア:

[(1, 649218336), (2, 324609168), (3, 216406112), (4, 162304584), (6, 108203056), (8, 81152292), (12, 54101528), (13, 49939872), (16, 40576146), (24, 27050764), (26, 24969936), (32, 20288073), (39, 16646624), (48, 13525382), (52, 12484968), (78, 8323312), (96, 6762691), (104, 6242484), (156, 4161656), (208, 3121242), (312, 2080828), (416, 1560621), (624, 1040414), (661, 982176), (787, 824928), (1248, 520207), (1322, 491088), (1574, 412464), (1983, 327392), (2361, 274976), (2644, 245544), (3148, 206232), (3966, 163696), (4722, 137488), (5288, 122772), (6296, 103116), (7932, 81848), (8593, 75552), (9444, 68744), (10231, 63456), (10576, 61386), (12592, 51558), (15864, 40924), (17186, 37776), (18888, 34372), (20462, 31728), (21152, 30693), (25184, 25779)]