81778956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{569}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 229824000

約数和(自身を除く): 148045044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 59, 84, 87, 116, 118, 174, 177, 203, 236, 348, 354, 406, 413, 569, 609, 708, 812, 826, 1138, 1218, 1239, 1652, 1707, 1711, 2276, 2436, 2478, 3414, 3422, 3983, 4956, 5133, 6828, 6844, 7966, 10266, 11949, 11977, 15932, 16501, 20532, 23898, 23954, 33002, 33571, 35931, 47796, 47908, 49503, 66004, 67142, 71862, 99006, 100713, 115507, 134284, 143724, 198012, 201426, 231014, 234997, 346521, 402852, 462028, 469994, 693042, 704991, 939988, 973559, 1386084, 1409982, 1947118, 2819964, 2920677, 3894236, 5841354, 6814913, 11682708, 13629826, 20444739, 27259652, 40889478, 81778956]

約数ペア:

[(1, 81778956), (2, 40889478), (3, 27259652), (4, 20444739), (6, 13629826), (7, 11682708), (12, 6814913), (14, 5841354), (21, 3894236), (28, 2920677), (29, 2819964), (42, 1947118), (58, 1409982), (59, 1386084), (84, 973559), (87, 939988), (116, 704991), (118, 693042), (174, 469994), (177, 462028), (203, 402852), (236, 346521), (348, 234997), (354, 231014), (406, 201426), (413, 198012), (569, 143724), (609, 134284), (708, 115507), (812, 100713), (826, 99006), (1138, 71862), (1218, 67142), (1239, 66004), (1652, 49503), (1707, 47908), (1711, 47796), (2276, 35931), (2436, 33571), (2478, 33002), (3414, 23954), (3422, 23898), (3983, 20532), (4956, 16501), (5133, 15932), (6828, 11977), (6844, 11949), (7966, 10266)]