161858502

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:526

約数の個数: 96

約数和(自身を含む): 398151936

約数和(自身を除く): 236293434

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 53, 62, 78, 93, 106, 117, 159, 186, 234, 279, 318, 403, 421, 477, 558, 689, 806, 842, 954, 1209, 1263, 1378, 1643, 2067, 2418, 2526, 3286, 3627, 3789, 4134, 4929, 5473, 6201, 7254, 7578, 9858, 10946, 12402, 13051, 14787, 16419, 21359, 22313, 26102, 29574, 32838, 39153, 42718, 44626, 49257, 64077, 66939, 78306, 98514, 117459, 128154, 133878, 169663, 192231, 200817, 234918, 290069, 339326, 384462, 401634, 508989, 580138, 691703, 870207, 1017978, 1383406, 1526967, 1740414, 2075109, 2610621, 3053934, 4150218, 5221242, 6225327, 8992139, 12450654, 17984278, 26976417, 53952834, 80929251, 161858502]

約数ペア:

[(1, 161858502), (2, 80929251), (3, 53952834), (6, 26976417), (9, 17984278), (13, 12450654), (18, 8992139), (26, 6225327), (31, 5221242), (39, 4150218), (53, 3053934), (62, 2610621), (78, 2075109), (93, 1740414), (106, 1526967), (117, 1383406), (159, 1017978), (186, 870207), (234, 691703), (279, 580138), (318, 508989), (403, 401634), (421, 384462), (477, 339326), (558, 290069), (689, 234918), (806, 200817), (842, 192231), (954, 169663), (1209, 133878), (1263, 128154), (1378, 117459), (1643, 98514), (2067, 78306), (2418, 66939), (2526, 64077), (3286, 49257), (3627, 44626), (3789, 42718), (4134, 39153), (4929, 32838), (5473, 29574), (6201, 26102), (7254, 22313), (7578, 21359), (9858, 16419), (10946, 14787), (12402, 13051)]