401388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 1053696

約数和(自身を除く): 652308

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 83, 93, 124, 156, 166, 186, 249, 332, 372, 403, 498, 806, 996, 1079, 1209, 1612, 2158, 2418, 2573, 3237, 4316, 4836, 5146, 6474, 7719, 10292, 12948, 15438, 30876, 33449, 66898, 100347, 133796, 200694, 401388]

約数ペア:

[(1, 401388), (2, 200694), (3, 133796), (4, 100347), (6, 66898), (12, 33449), (13, 30876), (26, 15438), (31, 12948), (39, 10292), (52, 7719), (62, 6474), (78, 5146), (83, 4836), (93, 4316), (124, 3237), (156, 2573), (166, 2418), (186, 2158), (249, 1612), (332, 1209), (372, 1079), (403, 996), (498, 806)]