394249492

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:821

約数の個数: 72

約数和(自身を含む): 868734720

約数和(自身を除く): 474485228

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 359, 364, 431, 637, 718, 862, 1274, 1436, 1724, 2513, 2548, 3017, 4667, 5026, 5603, 6034, 9334, 10052, 11206, 12068, 17591, 18668, 21119, 22412, 32669, 35182, 39221, 42238, 65338, 70364, 78442, 84476, 130676, 154729, 156884, 228683, 274547, 309458, 457366, 549094, 618916, 914732, 1083103, 1098188, 2011477, 2166206, 4022954, 4332412, 7581721, 8045908, 14080339, 15163442, 28160678, 30326884, 56321356, 98562373, 197124746, 394249492]

約数ペア:

[(1, 394249492), (2, 197124746), (4, 98562373), (7, 56321356), (13, 30326884), (14, 28160678), (26, 15163442), (28, 14080339), (49, 8045908), (52, 7581721), (91, 4332412), (98, 4022954), (182, 2166206), (196, 2011477), (359, 1098188), (364, 1083103), (431, 914732), (637, 618916), (718, 549094), (862, 457366), (1274, 309458), (1436, 274547), (1724, 228683), (2513, 156884), (2548, 154729), (3017, 130676), (4667, 84476), (5026, 78442), (5603, 70364), (6034, 65338), (9334, 42238), (10052, 39221), (11206, 35182), (12068, 32669), (17591, 22412), (18668, 21119)]