161898354

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 385070400

約数和(自身を除く): 223172046

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 86, 101, 109, 114, 129, 171, 202, 218, 258, 303, 327, 342, 387, 606, 654, 774, 817, 909, 981, 1634, 1818, 1919, 1962, 2071, 2451, 3838, 4142, 4343, 4687, 4902, 5757, 6213, 7353, 8686, 9374, 11009, 11514, 12426, 13029, 14061, 14706, 17271, 18639, 22018, 26058, 28122, 33027, 34542, 37278, 39087, 42183, 66054, 78174, 82517, 84366, 89053, 99081, 165034, 178106, 198162, 209171, 247551, 267159, 418342, 473387, 495102, 534318, 627513, 742653, 801477, 946774, 1255026, 1420161, 1485306, 1602954, 1882539, 2840322, 3765078, 4260483, 8520966, 8994353, 17988706, 26983059, 53966118, 80949177, 161898354]

約数ペア:

[(1, 161898354), (2, 80949177), (3, 53966118), (6, 26983059), (9, 17988706), (18, 8994353), (19, 8520966), (38, 4260483), (43, 3765078), (57, 2840322), (86, 1882539), (101, 1602954), (109, 1485306), (114, 1420161), (129, 1255026), (171, 946774), (202, 801477), (218, 742653), (258, 627513), (303, 534318), (327, 495102), (342, 473387), (387, 418342), (606, 267159), (654, 247551), (774, 209171), (817, 198162), (909, 178106), (981, 165034), (1634, 99081), (1818, 89053), (1919, 84366), (1962, 82517), (2071, 78174), (2451, 66054), (3838, 42183), (4142, 39087), (4343, 37278), (4687, 34542), (4902, 33027), (5757, 28122), (6213, 26058), (7353, 22018), (8686, 18639), (9374, 17271), (11009, 14706), (11514, 14061), (12426, 13029)]