28691244

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:635

約数の個数: 72

約数和(自身を含む): 76597248

約数和(自身を除く): 47906004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 47, 62, 93, 94, 124, 141, 186, 188, 279, 282, 372, 423, 547, 558, 564, 846, 1094, 1116, 1457, 1641, 1692, 2188, 2914, 3282, 4371, 4923, 5828, 6564, 8742, 9846, 13113, 16957, 17484, 19692, 25709, 26226, 33914, 50871, 51418, 52452, 67828, 77127, 101742, 102836, 152613, 154254, 203484, 231381, 305226, 308508, 462762, 610452, 796979, 925524, 1593958, 2390937, 3187916, 4781874, 7172811, 9563748, 14345622, 28691244]

約数ペア:

[(1, 28691244), (2, 14345622), (3, 9563748), (4, 7172811), (6, 4781874), (9, 3187916), (12, 2390937), (18, 1593958), (31, 925524), (36, 796979), (47, 610452), (62, 462762), (93, 308508), (94, 305226), (124, 231381), (141, 203484), (186, 154254), (188, 152613), (279, 102836), (282, 101742), (372, 77127), (423, 67828), (547, 52452), (558, 51418), (564, 50871), (846, 33914), (1094, 26226), (1116, 25709), (1457, 19692), (1641, 17484), (1692, 16957), (2188, 13113), (2914, 9846), (3282, 8742), (4371, 6564), (4923, 5828)]