2912784189

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{1033}}^1$

素因数の和:1290

約数の個数: 64

約数和(自身を含む): 4828200960

約数和(自身を除く): 1915416771

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 191, 259, 399, 573, 703, 777, 1033, 1337, 2109, 3099, 3629, 4011, 4921, 7067, 7231, 10887, 14763, 19627, 21201, 21693, 25403, 38221, 49469, 58881, 76209, 114663, 134273, 137389, 148407, 197303, 267547, 402819, 412167, 591909, 726199, 802641, 939911, 1381121, 2178597, 2819733, 3748757, 4143363, 5083393, 7300211, 11246271, 15250179, 21900633, 26241299, 51101477, 78723897, 138704009, 153304431, 416112027, 970928063, 2912784189]

約数ペア:

[(1, 2912784189), (3, 970928063), (7, 416112027), (19, 153304431), (21, 138704009), (37, 78723897), (57, 51101477), (111, 26241299), (133, 21900633), (191, 15250179), (259, 11246271), (399, 7300211), (573, 5083393), (703, 4143363), (777, 3748757), (1033, 2819733), (1337, 2178597), (2109, 1381121), (3099, 939911), (3629, 802641), (4011, 726199), (4921, 591909), (7067, 412167), (7231, 402819), (10887, 267547), (14763, 197303), (19627, 148407), (21201, 137389), (21693, 134273), (25403, 114663), (38221, 76209), (49469, 58881)]