39131988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1173

約数の個数: 72

約数和(自身を含む): 108055584

約数和(自身を除く): 68923596

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 61, 84, 98, 122, 147, 183, 196, 244, 294, 366, 427, 588, 732, 854, 1091, 1281, 1708, 2182, 2562, 2989, 3273, 4364, 5124, 5978, 6546, 7637, 8967, 11956, 13092, 15274, 17934, 22911, 30548, 35868, 45822, 53459, 66551, 91644, 106918, 133102, 160377, 199653, 213836, 266204, 320754, 399306, 465857, 641508, 798612, 931714, 1397571, 1863428, 2795142, 3260999, 5590284, 6521998, 9782997, 13043996, 19565994, 39131988]

約数ペア:

[(1, 39131988), (2, 19565994), (3, 13043996), (4, 9782997), (6, 6521998), (7, 5590284), (12, 3260999), (14, 2795142), (21, 1863428), (28, 1397571), (42, 931714), (49, 798612), (61, 641508), (84, 465857), (98, 399306), (122, 320754), (147, 266204), (183, 213836), (196, 199653), (244, 160377), (294, 133102), (366, 106918), (427, 91644), (588, 66551), (732, 53459), (854, 45822), (1091, 35868), (1281, 30548), (1708, 22911), (2182, 17934), (2562, 15274), (2989, 13092), (3273, 11956), (4364, 8967), (5124, 7637), (5978, 6546)]