20171947012

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{821}}^1\times {\mathrm{1871}}^1$

素因数の和:2777

約数の個数: 72

約数和(自身を含む): 41750287488

約数和(自身を除く): 21578340476

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 469, 821, 938, 1642, 1871, 1876, 3283, 3284, 3742, 5747, 6566, 7484, 11494, 13097, 13132, 22988, 26194, 40229, 52388, 55007, 80458, 91679, 110014, 125357, 160916, 183358, 220028, 250714, 366716, 385049, 501428, 770098, 877499, 1536091, 1540196, 1754998, 2695343, 3072182, 3509996, 5390686, 6142493, 6144364, 10752637, 10781372, 12284986, 21505274, 24569972, 43010548, 75268459, 102918097, 150536918, 205836194, 301073836, 411672388, 720426679, 1440853358, 2881706716, 5042986753, 10085973506, 20171947012]

約数ペア:

[(1, 20171947012), (2, 10085973506), (4, 5042986753), (7, 2881706716), (14, 1440853358), (28, 720426679), (49, 411672388), (67, 301073836), (98, 205836194), (134, 150536918), (196, 102918097), (268, 75268459), (469, 43010548), (821, 24569972), (938, 21505274), (1642, 12284986), (1871, 10781372), (1876, 10752637), (3283, 6144364), (3284, 6142493), (3742, 5390686), (5747, 3509996), (6566, 3072182), (7484, 2695343), (11494, 1754998), (13097, 1540196), (13132, 1536091), (22988, 877499), (26194, 770098), (40229, 501428), (52388, 385049), (55007, 366716), (80458, 250714), (91679, 220028), (110014, 183358), (125357, 160916)]