681491012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 1383540480

約数和(自身を除く): 702049468

約数列:

[1, 2, 4, 19, 23, 37, 38, 41, 46, 74, 76, 82, 92, 148, 164, 257, 437, 514, 703, 779, 851, 874, 943, 1028, 1406, 1517, 1558, 1702, 1748, 1886, 2812, 3034, 3116, 3404, 3772, 4883, 5911, 6068, 9509, 9766, 10537, 11822, 16169, 17917, 19018, 19532, 21074, 23644, 28823, 32338, 34891, 35834, 38036, 42148, 57646, 64676, 69782, 71668, 112309, 115292, 139564, 180671, 200203, 218707, 224618, 242351, 361342, 389869, 400406, 437414, 449236, 484702, 662929, 722684, 779738, 800812, 874828, 969404, 1325858, 1559476, 2651716, 4155433, 4604669, 7407511, 8310866, 8966987, 9209338, 14815022, 16621732, 17933974, 18418676, 29630044, 35867948, 170372753, 340745506, 681491012]

約数ペア:

[(1, 681491012), (2, 340745506), (4, 170372753), (19, 35867948), (23, 29630044), (37, 18418676), (38, 17933974), (41, 16621732), (46, 14815022), (74, 9209338), (76, 8966987), (82, 8310866), (92, 7407511), (148, 4604669), (164, 4155433), (257, 2651716), (437, 1559476), (514, 1325858), (703, 969404), (779, 874828), (851, 800812), (874, 779738), (943, 722684), (1028, 662929), (1406, 484702), (1517, 449236), (1558, 437414), (1702, 400406), (1748, 389869), (1886, 361342), (2812, 242351), (3034, 224618), (3116, 218707), (3404, 200203), (3772, 180671), (4883, 139564), (5911, 115292), (6068, 112309), (9509, 71668), (9766, 69782), (10537, 64676), (11822, 57646), (16169, 42148), (17917, 38036), (19018, 35834), (19532, 34891), (21074, 32338), (23644, 28823)]