39981816

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:906

約数の個数: 128

約数和(自身を含む): 131174400

約数和(自身を除く): 91192584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 31, 36, 42, 54, 56, 62, 63, 72, 84, 93, 108, 124, 126, 168, 186, 189, 216, 217, 248, 252, 279, 372, 378, 434, 504, 558, 651, 744, 756, 837, 853, 868, 1116, 1302, 1512, 1674, 1706, 1736, 1953, 2232, 2559, 2604, 3348, 3412, 3906, 5118, 5208, 5859, 5971, 6696, 6824, 7677, 7812, 10236, 11718, 11942, 15354, 15624, 17913, 20472, 23031, 23436, 23884, 26443, 30708, 35826, 46062, 46872, 47768, 52886, 53739, 61416, 71652, 79329, 92124, 105772, 107478, 143304, 158658, 161217, 184248, 185101, 211544, 214956, 237987, 317316, 322434, 370202, 429912, 475974, 555303, 634632, 644868, 713961, 740404, 951948, 1110606, 1289736, 1427922, 1480808, 1665909, 1903896, 2221212, 2855844, 3331818, 4442424, 4997727, 5711688, 6663636, 9995454, 13327272, 19990908, 39981816]

約数ペア:

[(1, 39981816), (2, 19990908), (3, 13327272), (4, 9995454), (6, 6663636), (7, 5711688), (8, 4997727), (9, 4442424), (12, 3331818), (14, 2855844), (18, 2221212), (21, 1903896), (24, 1665909), (27, 1480808), (28, 1427922), (31, 1289736), (36, 1110606), (42, 951948), (54, 740404), (56, 713961), (62, 644868), (63, 634632), (72, 555303), (84, 475974), (93, 429912), (108, 370202), (124, 322434), (126, 317316), (168, 237987), (186, 214956), (189, 211544), (216, 185101), (217, 184248), (248, 161217), (252, 158658), (279, 143304), (372, 107478), (378, 105772), (434, 92124), (504, 79329), (558, 71652), (651, 61416), (744, 53739), (756, 52886), (837, 47768), (853, 46872), (868, 46062), (1116, 35826), (1302, 30708), (1512, 26443), (1674, 23884), (1706, 23436), (1736, 23031), (1953, 20472), (2232, 17913), (2559, 15624), (2604, 15354), (3348, 11942), (3412, 11718), (3906, 10236), (5118, 7812), (5208, 7677), (5859, 6824), (5971, 6696)]