291239364

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^2\times {\mathrm{271}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 743489152

約数和(自身を除く): 452249788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 83, 156, 166, 249, 271, 332, 498, 542, 813, 996, 1079, 1084, 1626, 2158, 3237, 3252, 3523, 4316, 6474, 6889, 7046, 10569, 12948, 13778, 14092, 20667, 21138, 22493, 27556, 41334, 42276, 44986, 67479, 82668, 89557, 89972, 134958, 179114, 268671, 269916, 292409, 358228, 537342, 584818, 877227, 1074684, 1169636, 1754454, 1866919, 3508908, 3733838, 5600757, 7467676, 11201514, 22403028, 24269947, 48539894, 72809841, 97079788, 145619682, 291239364]

約数ペア:

[(1, 291239364), (2, 145619682), (3, 97079788), (4, 72809841), (6, 48539894), (12, 24269947), (13, 22403028), (26, 11201514), (39, 7467676), (52, 5600757), (78, 3733838), (83, 3508908), (156, 1866919), (166, 1754454), (249, 1169636), (271, 1074684), (332, 877227), (498, 584818), (542, 537342), (813, 358228), (996, 292409), (1079, 269916), (1084, 268671), (1626, 179114), (2158, 134958), (3237, 89972), (3252, 89557), (3523, 82668), (4316, 67479), (6474, 44986), (6889, 42276), (7046, 41334), (10569, 27556), (12948, 22493), (13778, 21138), (14092, 20667)]