1557822636

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{2281}}^1$

素因数の和:2663

約数の個数: 72

約数和(自身を含む): 4017013728

約数和(自身を除く): 2459191092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 311, 366, 549, 622, 732, 933, 1098, 1244, 1866, 2196, 2281, 2799, 3732, 4562, 5598, 6843, 9124, 11196, 13686, 18971, 20529, 27372, 37942, 41058, 56913, 75884, 82116, 113826, 139141, 170739, 227652, 278282, 341478, 417423, 556564, 682956, 709391, 834846, 1252269, 1418782, 1669692, 2128173, 2504538, 2837564, 4256346, 5009076, 6384519, 8512692, 12769038, 25538076, 43272851, 86545702, 129818553, 173091404, 259637106, 389455659, 519274212, 778911318, 1557822636]

約数ペア:

[(1, 1557822636), (2, 778911318), (3, 519274212), (4, 389455659), (6, 259637106), (9, 173091404), (12, 129818553), (18, 86545702), (36, 43272851), (61, 25538076), (122, 12769038), (183, 8512692), (244, 6384519), (311, 5009076), (366, 4256346), (549, 2837564), (622, 2504538), (732, 2128173), (933, 1669692), (1098, 1418782), (1244, 1252269), (1866, 834846), (2196, 709391), (2281, 682956), (2799, 556564), (3732, 417423), (4562, 341478), (5598, 278282), (6843, 227652), (9124, 170739), (11196, 139141), (13686, 113826), (18971, 82116), (20529, 75884), (27372, 56913), (37942, 41058)]