78928876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 153115200

約数和(自身を除く): 74186324

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 149, 167, 244, 298, 334, 596, 668, 793, 1586, 1937, 2171, 3172, 3874, 4342, 7748, 8684, 9089, 10187, 18178, 20374, 24883, 36356, 40748, 49766, 99532, 118157, 132431, 236314, 264862, 323479, 472628, 529724, 646958, 1293916, 1517863, 3035726, 6071452, 19732219, 39464438, 78928876]

約数ペア:

[(1, 78928876), (2, 39464438), (4, 19732219), (13, 6071452), (26, 3035726), (52, 1517863), (61, 1293916), (122, 646958), (149, 529724), (167, 472628), (244, 323479), (298, 264862), (334, 236314), (596, 132431), (668, 118157), (793, 99532), (1586, 49766), (1937, 40748), (2171, 36356), (3172, 24883), (3874, 20374), (4342, 18178), (7748, 10187), (8684, 9089)]