81419688

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{53849}}^1$

素因数の和:53871

約数の個数: 64

約数和(自身を含む): 258480000

約数和(自身を除く): 177060312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 53849, 107698, 161547, 215396, 323094, 376943, 430792, 484641, 646188, 753886, 969282, 1130829, 1292376, 1453923, 1507772, 1938564, 2261658, 2907846, 3015544, 3392487, 3877128, 4523316, 5815692, 6784974, 9046632, 10177461, 11631384, 13569948, 20354922, 27139896, 40709844, 81419688]

約数ペア:

[(1, 81419688), (2, 40709844), (3, 27139896), (4, 20354922), (6, 13569948), (7, 11631384), (8, 10177461), (9, 9046632), (12, 6784974), (14, 5815692), (18, 4523316), (21, 3877128), (24, 3392487), (27, 3015544), (28, 2907846), (36, 2261658), (42, 1938564), (54, 1507772), (56, 1453923), (63, 1292376), (72, 1130829), (84, 969282), (108, 753886), (126, 646188), (168, 484641), (189, 430792), (216, 376943), (252, 323094), (378, 215396), (504, 161547), (756, 107698), (1512, 53849)]