68458348

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 140616000

約数和(自身を除く): 72157652

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 149, 244, 269, 298, 427, 538, 596, 854, 1043, 1076, 1708, 1883, 2086, 3766, 4172, 7532, 9089, 16409, 18178, 32818, 36356, 40081, 63623, 65636, 80162, 114863, 127246, 160324, 229726, 254492, 280567, 459452, 561134, 1122268, 2444941, 4889882, 9779764, 17114587, 34229174, 68458348]

約数ペア:

[(1, 68458348), (2, 34229174), (4, 17114587), (7, 9779764), (14, 4889882), (28, 2444941), (61, 1122268), (122, 561134), (149, 459452), (244, 280567), (269, 254492), (298, 229726), (427, 160324), (538, 127246), (596, 114863), (854, 80162), (1043, 65636), (1076, 63623), (1708, 40081), (1883, 36356), (2086, 32818), (3766, 18178), (4172, 16409), (7532, 9089)]