83831790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{647}}^1$

素因数の和:1281

約数の個数: 64

約数和(自身を含む): 230667264

約数和(自身を除く): 146835474

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 617, 647, 1234, 1294, 1851, 1941, 3085, 3235, 3702, 3882, 4319, 4529, 6170, 6470, 8638, 9058, 9255, 9705, 12957, 13587, 18510, 19410, 21595, 22645, 25914, 27174, 43190, 45290, 64785, 67935, 129570, 135870, 399199, 798398, 1197597, 1995995, 2395194, 2794393, 3991990, 5588786, 5987985, 8383179, 11975970, 13971965, 16766358, 27943930, 41915895, 83831790]

約数ペア:

[(1, 83831790), (2, 41915895), (3, 27943930), (5, 16766358), (6, 13971965), (7, 11975970), (10, 8383179), (14, 5987985), (15, 5588786), (21, 3991990), (30, 2794393), (35, 2395194), (42, 1995995), (70, 1197597), (105, 798398), (210, 399199), (617, 135870), (647, 129570), (1234, 67935), (1294, 64785), (1851, 45290), (1941, 43190), (3085, 27174), (3235, 25914), (3702, 22645), (3882, 21595), (4319, 19410), (4529, 18510), (6170, 13587), (6470, 12957), (8638, 9705), (9058, 9255)]