251566196

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 531669096

約数和(自身を除く): 280102900

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 61, 98, 106, 122, 196, 212, 244, 371, 397, 427, 742, 794, 854, 1484, 1588, 1708, 2597, 2779, 2989, 3233, 5194, 5558, 5978, 6466, 10388, 11116, 11956, 12932, 19453, 21041, 22631, 24217, 38906, 42082, 45262, 48434, 77812, 84164, 90524, 96868, 147287, 158417, 169519, 294574, 316834, 339038, 589148, 633668, 678076, 1031009, 1186633, 1283501, 2062018, 2373266, 2567002, 4124036, 4746532, 5134004, 8984507, 17969014, 35938028, 62891549, 125783098, 251566196]

約数ペア:

[(1, 251566196), (2, 125783098), (4, 62891549), (7, 35938028), (14, 17969014), (28, 8984507), (49, 5134004), (53, 4746532), (61, 4124036), (98, 2567002), (106, 2373266), (122, 2062018), (196, 1283501), (212, 1186633), (244, 1031009), (371, 678076), (397, 633668), (427, 589148), (742, 339038), (794, 316834), (854, 294574), (1484, 169519), (1588, 158417), (1708, 147287), (2597, 96868), (2779, 90524), (2989, 84164), (3233, 77812), (5194, 48434), (5558, 45262), (5978, 42082), (6466, 38906), (10388, 24217), (11116, 22631), (11956, 21041), (12932, 19453)]