643370156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2791}}^1$

素因数の和:2863

約数の個数: 72

約数和(自身を含む): 1373395968

約数和(自身を除く): 730025812

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 169, 286, 338, 341, 403, 572, 676, 682, 806, 1364, 1612, 1859, 2791, 3718, 4433, 5239, 5582, 7436, 8866, 10478, 11164, 17732, 20956, 30701, 36283, 57629, 61402, 72566, 86521, 115258, 122804, 145132, 173042, 230516, 346084, 399113, 471679, 798226, 943358, 951731, 1124773, 1596452, 1886716, 1903462, 2249546, 3806924, 4499092, 5188469, 10376938, 12372503, 14622049, 20753876, 24745006, 29244098, 49490012, 58488196, 160842539, 321685078, 643370156]

約数ペア:

[(1, 643370156), (2, 321685078), (4, 160842539), (11, 58488196), (13, 49490012), (22, 29244098), (26, 24745006), (31, 20753876), (44, 14622049), (52, 12372503), (62, 10376938), (124, 5188469), (143, 4499092), (169, 3806924), (286, 2249546), (338, 1903462), (341, 1886716), (403, 1596452), (572, 1124773), (676, 951731), (682, 943358), (806, 798226), (1364, 471679), (1612, 399113), (1859, 346084), (2791, 230516), (3718, 173042), (4433, 145132), (5239, 122804), (5582, 115258), (7436, 86521), (8866, 72566), (10478, 61402), (11164, 57629), (17732, 36283), (20956, 30701)]