81904326

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:749

約数の個数: 64

約数和(自身を含む): 198443520

約数和(自身を除く): 116539194

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 197, 266, 394, 399, 521, 591, 798, 1042, 1182, 1379, 1563, 2758, 3126, 3647, 3743, 4137, 7294, 7486, 8274, 9899, 10941, 11229, 19798, 21882, 22458, 26201, 29697, 52402, 59394, 69293, 78603, 102637, 138586, 157206, 205274, 207879, 307911, 415758, 615822, 718459, 1436918, 1950103, 2155377, 3900206, 4310754, 5850309, 11700618, 13650721, 27301442, 40952163, 81904326]

約数ペア:

[(1, 81904326), (2, 40952163), (3, 27301442), (6, 13650721), (7, 11700618), (14, 5850309), (19, 4310754), (21, 3900206), (38, 2155377), (42, 1950103), (57, 1436918), (114, 718459), (133, 615822), (197, 415758), (266, 307911), (394, 207879), (399, 205274), (521, 157206), (591, 138586), (798, 102637), (1042, 78603), (1182, 69293), (1379, 59394), (1563, 52402), (2758, 29697), (3126, 26201), (3647, 22458), (3743, 21882), (4137, 19798), (7294, 11229), (7486, 10941), (8274, 9899)]