402580472

素因数分解:

$2^3\times 7^4\times {\mathrm{20959}}^1$

素因数の和:20993

約数の個数: 40

約数和(自身を含む): 880634400

約数和(自身を除く): 478053928

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2401, 2744, 4802, 9604, 19208, 20959, 41918, 83836, 146713, 167672, 293426, 586852, 1026991, 1173704, 2053982, 4107964, 7188937, 8215928, 14377874, 28755748, 50322559, 57511496, 100645118, 201290236, 402580472]

約数ペア:

[(1, 402580472), (2, 201290236), (4, 100645118), (7, 57511496), (8, 50322559), (14, 28755748), (28, 14377874), (49, 8215928), (56, 7188937), (98, 4107964), (196, 2053982), (343, 1173704), (392, 1026991), (686, 586852), (1372, 293426), (2401, 167672), (2744, 146713), (4802, 83836), (9604, 41918), (19208, 20959)]