628563316

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 1159441920

約数和(自身を除く): 530878604

約数列:

[1, 2, 4, 31, 62, 83, 124, 157, 166, 314, 332, 389, 628, 778, 1556, 2573, 4867, 5146, 9734, 10292, 12059, 13031, 19468, 24118, 26062, 32287, 48236, 52124, 61073, 64574, 122146, 129148, 244292, 403961, 807922, 1000897, 1615844, 1893263, 2001794, 3786526, 4003588, 5069059, 7573052, 10138118, 20276236, 157140829, 314281658, 628563316]

約数ペア:

[(1, 628563316), (2, 314281658), (4, 157140829), (31, 20276236), (62, 10138118), (83, 7573052), (124, 5069059), (157, 4003588), (166, 3786526), (314, 2001794), (332, 1893263), (389, 1615844), (628, 1000897), (778, 807922), (1556, 403961), (2573, 244292), (4867, 129148), (5146, 122146), (9734, 64574), (10292, 61073), (12059, 52124), (13031, 48236), (19468, 32287), (24118, 26062)]