28975390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{619}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 54282240

約数和(自身を除く): 25306850

約数列:

[1, 2, 5, 10, 31, 62, 151, 155, 302, 310, 619, 755, 1238, 1510, 3095, 4681, 6190, 9362, 19189, 23405, 38378, 46810, 93469, 95945, 186938, 191890, 467345, 934690, 2897539, 5795078, 14487695, 28975390]

約数ペア:

[(1, 28975390), (2, 14487695), (5, 5795078), (10, 2897539), (31, 934690), (62, 467345), (151, 191890), (155, 186938), (302, 95945), (310, 93469), (619, 46810), (755, 38378), (1238, 23405), (1510, 19189), (3095, 9362), (4681, 6190)]