831036668

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20287}}^1$

素因数の和:20335

約数の個数: 72

約数和(自身を含む): 1942778880

約数和(自身を除く): 1111742212

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 418, 532, 539, 836, 931, 1078, 1463, 1862, 2156, 2926, 3724, 5852, 10241, 20287, 20482, 40574, 40964, 81148, 142009, 223157, 284018, 385453, 446314, 568036, 770906, 892628, 994063, 1541812, 1562099, 1988126, 2698171, 3124198, 3976252, 4239983, 5396342, 6248396, 8479966, 10792684, 10934693, 16959932, 18887197, 21869386, 29679881, 37774394, 43738772, 59359762, 75548788, 118719524, 207759167, 415518334, 831036668]

約数ペア:

[(1, 831036668), (2, 415518334), (4, 207759167), (7, 118719524), (11, 75548788), (14, 59359762), (19, 43738772), (22, 37774394), (28, 29679881), (38, 21869386), (44, 18887197), (49, 16959932), (76, 10934693), (77, 10792684), (98, 8479966), (133, 6248396), (154, 5396342), (196, 4239983), (209, 3976252), (266, 3124198), (308, 2698171), (418, 1988126), (532, 1562099), (539, 1541812), (836, 994063), (931, 892628), (1078, 770906), (1463, 568036), (1862, 446314), (2156, 385453), (2926, 284018), (3724, 223157), (5852, 142009), (10241, 81148), (20287, 40964), (20482, 40574)]