961031390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{521}}^1$

素因数の和:989

約数の個数: 64

約数和(自身を含む): 1941589440

約数和(自身を除く): 980558050

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 409, 410, 451, 521, 818, 902, 1042, 2045, 2255, 2605, 4090, 4499, 4510, 5210, 5731, 8998, 11462, 16769, 21361, 22495, 28655, 33538, 42722, 44990, 57310, 83845, 106805, 167690, 184459, 213089, 213610, 234971, 368918, 426178, 469942, 922295, 1065445, 1174855, 1844590, 2130890, 2343979, 2349710, 4687958, 8736649, 11719895, 17473298, 23439790, 43683245, 87366490, 96103139, 192206278, 480515695, 961031390]

約数ペア:

[(1, 961031390), (2, 480515695), (5, 192206278), (10, 96103139), (11, 87366490), (22, 43683245), (41, 23439790), (55, 17473298), (82, 11719895), (110, 8736649), (205, 4687958), (409, 2349710), (410, 2343979), (451, 2130890), (521, 1844590), (818, 1174855), (902, 1065445), (1042, 922295), (2045, 469942), (2255, 426178), (2605, 368918), (4090, 234971), (4499, 213610), (4510, 213089), (5210, 184459), (5731, 167690), (8998, 106805), (11462, 83845), (16769, 57310), (21361, 44990), (22495, 42722), (28655, 33538)]