1231219188

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{7937}}^1$

素因数の和:8117

約数の個数: 72

約数和(自身を含む): 3236163840

約数和(自身を除く): 2004944652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 139, 186, 278, 279, 372, 417, 556, 558, 834, 1116, 1251, 1668, 2502, 4309, 5004, 7937, 8618, 12927, 15874, 17236, 23811, 25854, 31748, 38781, 47622, 51708, 71433, 77562, 95244, 142866, 155124, 246047, 285732, 492094, 738141, 984188, 1103243, 1476282, 2206486, 2214423, 2952564, 3309729, 4412972, 4428846, 6619458, 8857692, 9929187, 13238916, 19858374, 34200533, 39716748, 68401066, 102601599, 136802132, 205203198, 307804797, 410406396, 615609594, 1231219188]

約数ペア:

[(1, 1231219188), (2, 615609594), (3, 410406396), (4, 307804797), (6, 205203198), (9, 136802132), (12, 102601599), (18, 68401066), (31, 39716748), (36, 34200533), (62, 19858374), (93, 13238916), (124, 9929187), (139, 8857692), (186, 6619458), (278, 4428846), (279, 4412972), (372, 3309729), (417, 2952564), (556, 2214423), (558, 2206486), (834, 1476282), (1116, 1103243), (1251, 984188), (1668, 738141), (2502, 492094), (4309, 285732), (5004, 246047), (7937, 155124), (8618, 142866), (12927, 95244), (15874, 77562), (17236, 71433), (23811, 51708), (25854, 47622), (31748, 38781)]