398607535

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 502548480

約数和(自身を除く): 103940945

約数列:

[1, 5, 41, 79, 151, 163, 205, 395, 755, 815, 3239, 6191, 6683, 11929, 12877, 16195, 24613, 30955, 33415, 59645, 64385, 123065, 489089, 527957, 1009133, 1944427, 2445445, 2639785, 5045665, 9722135, 79721507, 398607535]

約数ペア:

[(1, 398607535), (5, 79721507), (41, 9722135), (79, 5045665), (151, 2639785), (163, 2445445), (205, 1944427), (395, 1009133), (755, 527957), (815, 489089), (3239, 123065), (6191, 64385), (6683, 59645), (11929, 33415), (12877, 30955), (16195, 24613)]