981995924

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1327}}^1$

素因数の和:1477

約数の個数: 96

約数和(自身を含む): 2248888320

約数和(自身を除く): 1266892396

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 107, 133, 182, 214, 247, 266, 364, 428, 494, 532, 749, 988, 1327, 1391, 1498, 1729, 2033, 2654, 2782, 2996, 3458, 4066, 5308, 5564, 6916, 8132, 9289, 9737, 14231, 17251, 18578, 19474, 25213, 26429, 28462, 34502, 37156, 38948, 50426, 52858, 56924, 69004, 100852, 105716, 120757, 141989, 176491, 185003, 241514, 283978, 327769, 352982, 370006, 483028, 567956, 655538, 705964, 740012, 993923, 1311076, 1845857, 1987846, 2294383, 2697791, 3691714, 3975692, 4588766, 5395582, 7383428, 9177532, 10791164, 12920999, 18884537, 25841998, 35071283, 37769074, 51683996, 70142566, 75538148, 140285132, 245498981, 490997962, 981995924]

約数ペア:

[(1, 981995924), (2, 490997962), (4, 245498981), (7, 140285132), (13, 75538148), (14, 70142566), (19, 51683996), (26, 37769074), (28, 35071283), (38, 25841998), (52, 18884537), (76, 12920999), (91, 10791164), (107, 9177532), (133, 7383428), (182, 5395582), (214, 4588766), (247, 3975692), (266, 3691714), (364, 2697791), (428, 2294383), (494, 1987846), (532, 1845857), (749, 1311076), (988, 993923), (1327, 740012), (1391, 705964), (1498, 655538), (1729, 567956), (2033, 483028), (2654, 370006), (2782, 352982), (2996, 327769), (3458, 283978), (4066, 241514), (5308, 185003), (5564, 176491), (6916, 141989), (8132, 120757), (9289, 105716), (9737, 100852), (14231, 69004), (17251, 56924), (18578, 52858), (19474, 50426), (25213, 38948), (26429, 37156), (28462, 34502)]