397756476

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{1013}}^1$

素因数の和:1875

約数の個数: 72

約数和(自身を含む): 1085142240

約数和(自身を除く): 687385764

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 839, 1013, 1678, 2026, 2517, 3039, 3356, 4052, 5034, 6078, 7551, 9117, 10068, 10907, 12156, 13169, 15102, 18234, 21814, 26338, 30204, 32721, 36468, 39507, 43628, 52676, 65442, 79014, 98163, 118521, 130884, 158028, 196326, 237042, 392652, 474084, 849907, 1699814, 2549721, 3399628, 5099442, 7649163, 10198884, 11048791, 15298326, 22097582, 30596652, 33146373, 44195164, 66292746, 99439119, 132585492, 198878238, 397756476]

約数ペア:

[(1, 397756476), (2, 198878238), (3, 132585492), (4, 99439119), (6, 66292746), (9, 44195164), (12, 33146373), (13, 30596652), (18, 22097582), (26, 15298326), (36, 11048791), (39, 10198884), (52, 7649163), (78, 5099442), (117, 3399628), (156, 2549721), (234, 1699814), (468, 849907), (839, 474084), (1013, 392652), (1678, 237042), (2026, 196326), (2517, 158028), (3039, 130884), (3356, 118521), (4052, 98163), (5034, 79014), (6078, 65442), (7551, 52676), (9117, 43628), (10068, 39507), (10907, 36468), (12156, 32721), (13169, 30204), (15102, 26338), (18234, 21814)]