68455218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 153280512

約数和(自身を除く): 84825294

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 71, 78, 94, 141, 142, 213, 263, 282, 426, 526, 611, 789, 923, 1222, 1578, 1833, 1846, 2769, 3337, 3419, 3666, 5538, 6674, 6838, 10011, 10257, 12361, 18673, 20022, 20514, 24722, 37083, 37346, 43381, 56019, 74166, 86762, 112038, 130143, 160693, 242749, 260286, 321386, 482079, 485498, 728247, 877631, 964158, 1456494, 1755262, 2632893, 5265786, 11409203, 22818406, 34227609, 68455218]

約数ペア:

[(1, 68455218), (2, 34227609), (3, 22818406), (6, 11409203), (13, 5265786), (26, 2632893), (39, 1755262), (47, 1456494), (71, 964158), (78, 877631), (94, 728247), (141, 485498), (142, 482079), (213, 321386), (263, 260286), (282, 242749), (426, 160693), (526, 130143), (611, 112038), (789, 86762), (923, 74166), (1222, 56019), (1578, 43381), (1833, 37346), (1846, 37083), (2769, 24722), (3337, 20514), (3419, 20022), (3666, 18673), (5538, 12361), (6674, 10257), (6838, 10011)]