68609628

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 178287200

約数和(自身を除く): 109677572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 157, 183, 199, 244, 314, 366, 398, 471, 549, 597, 628, 732, 796, 942, 1098, 1194, 1413, 1791, 1884, 2196, 2388, 2826, 3582, 5652, 7164, 9577, 12139, 19154, 24278, 28731, 31243, 36417, 38308, 48556, 57462, 62486, 72834, 86193, 93729, 109251, 114924, 124972, 145668, 172386, 187458, 218502, 281187, 344772, 374916, 437004, 562374, 1124748, 1905823, 3811646, 5717469, 7623292, 11434938, 17152407, 22869876, 34304814, 68609628]

約数ペア:

[(1, 68609628), (2, 34304814), (3, 22869876), (4, 17152407), (6, 11434938), (9, 7623292), (12, 5717469), (18, 3811646), (36, 1905823), (61, 1124748), (122, 562374), (157, 437004), (183, 374916), (199, 344772), (244, 281187), (314, 218502), (366, 187458), (398, 172386), (471, 145668), (549, 124972), (597, 114924), (628, 109251), (732, 93729), (796, 86193), (942, 72834), (1098, 62486), (1194, 57462), (1413, 48556), (1791, 38308), (1884, 36417), (2196, 31243), (2388, 28731), (2826, 24278), (3582, 19154), (5652, 12139), (7164, 9577)]