265312516

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{421}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 541078272

約数和(自身を除く): 275765756

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 317, 421, 497, 634, 842, 994, 1268, 1684, 1988, 2219, 2947, 4438, 5894, 8876, 11788, 22507, 29891, 45014, 59782, 90028, 119564, 133457, 157549, 209237, 266914, 315098, 418474, 533828, 630196, 836948, 934199, 1868398, 3736796, 9475447, 18950894, 37901788, 66328129, 132656258, 265312516]

約数ペア:

[(1, 265312516), (2, 132656258), (4, 66328129), (7, 37901788), (14, 18950894), (28, 9475447), (71, 3736796), (142, 1868398), (284, 934199), (317, 836948), (421, 630196), (497, 533828), (634, 418474), (842, 315098), (994, 266914), (1268, 209237), (1684, 157549), (1988, 133457), (2219, 119564), (2947, 90028), (4438, 59782), (5894, 45014), (8876, 29891), (11788, 22507)]