78840828

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2237}}^1$

素因数の和:2347

約数の個数: 72

約数和(自身を含む): 219950640

約数和(自身を除く): 141109812

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 89, 99, 132, 178, 198, 267, 356, 396, 534, 801, 979, 1068, 1602, 1958, 2237, 2937, 3204, 3916, 4474, 5874, 6711, 8811, 8948, 11748, 13422, 17622, 20133, 24607, 26844, 35244, 40266, 49214, 73821, 80532, 98428, 147642, 199093, 221463, 295284, 398186, 442926, 597279, 796372, 885852, 1194558, 1791837, 2190023, 2389116, 3583674, 4380046, 6570069, 7167348, 8760092, 13140138, 19710207, 26280276, 39420414, 78840828]

約数ペア:

[(1, 78840828), (2, 39420414), (3, 26280276), (4, 19710207), (6, 13140138), (9, 8760092), (11, 7167348), (12, 6570069), (18, 4380046), (22, 3583674), (33, 2389116), (36, 2190023), (44, 1791837), (66, 1194558), (89, 885852), (99, 796372), (132, 597279), (178, 442926), (198, 398186), (267, 295284), (356, 221463), (396, 199093), (534, 147642), (801, 98428), (979, 80532), (1068, 73821), (1602, 49214), (1958, 40266), (2237, 35244), (2937, 26844), (3204, 24607), (3916, 20133), (4474, 17622), (5874, 13422), (6711, 11748), (8811, 8948)]