398244996

素因数分解:

$2^2\times 3^2\times {\mathrm{113}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:785

約数の個数: 72

約数和(自身を含む): 1022461440

約数和(自身を除く): 624216444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 113, 223, 226, 339, 439, 446, 452, 669, 678, 878, 892, 1017, 1317, 1338, 1356, 1756, 2007, 2034, 2634, 2676, 3951, 4014, 4068, 5268, 7902, 8028, 15804, 25199, 49607, 50398, 75597, 97897, 99214, 100796, 148821, 151194, 195794, 198428, 226791, 293691, 297642, 302388, 391588, 446463, 453582, 587382, 595284, 881073, 892926, 907164, 1174764, 1762146, 1785852, 3524292, 11062361, 22124722, 33187083, 44249444, 66374166, 99561249, 132748332, 199122498, 398244996]

約数ペア:

[(1, 398244996), (2, 199122498), (3, 132748332), (4, 99561249), (6, 66374166), (9, 44249444), (12, 33187083), (18, 22124722), (36, 11062361), (113, 3524292), (223, 1785852), (226, 1762146), (339, 1174764), (439, 907164), (446, 892926), (452, 881073), (669, 595284), (678, 587382), (878, 453582), (892, 446463), (1017, 391588), (1317, 302388), (1338, 297642), (1356, 293691), (1756, 226791), (2007, 198428), (2034, 195794), (2634, 151194), (2676, 148821), (3951, 100796), (4014, 99214), (4068, 97897), (5268, 75597), (7902, 50398), (8028, 49607), (15804, 25199)]