1220778832

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{838447}}^1$

素因数の和:838475

約数の個数: 40

約数和(自身を含む): 2911091456

約数和(自身を除く): 1690312624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 838447, 1676894, 3353788, 5869129, 6707576, 10899811, 11738258, 13415152, 21799622, 23476516, 43599244, 46953032, 76298677, 87198488, 93906064, 152597354, 174396976, 305194708, 610389416, 1220778832]

約数ペア:

[(1, 1220778832), (2, 610389416), (4, 305194708), (7, 174396976), (8, 152597354), (13, 93906064), (14, 87198488), (16, 76298677), (26, 46953032), (28, 43599244), (52, 23476516), (56, 21799622), (91, 13415152), (104, 11738258), (112, 10899811), (182, 6707576), (208, 5869129), (364, 3353788), (728, 1676894), (1456, 838447)]