278364716

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{2063}}^1$

素因数の和:2214

約数の個数: 48

約数和(自身を含む): 573296640

約数和(自身を除く): 294931924

約数列:

[1, 2, 4, 7, 14, 28, 61, 79, 122, 158, 244, 316, 427, 553, 854, 1106, 1708, 2063, 2212, 4126, 4819, 8252, 9638, 14441, 19276, 28882, 33733, 57764, 67466, 125843, 134932, 162977, 251686, 325954, 503372, 651908, 880901, 1140839, 1761802, 2281678, 3523604, 4563356, 9941597, 19883194, 39766388, 69591179, 139182358, 278364716]

約数ペア:

[(1, 278364716), (2, 139182358), (4, 69591179), (7, 39766388), (14, 19883194), (28, 9941597), (61, 4563356), (79, 3523604), (122, 2281678), (158, 1761802), (244, 1140839), (316, 880901), (427, 651908), (553, 503372), (854, 325954), (1106, 251686), (1708, 162977), (2063, 134932), (2212, 125843), (4126, 67466), (4819, 57764), (8252, 33733), (9638, 28882), (14441, 19276)]