245712246

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 540207360

約数和(自身を除く): 294495114

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 139, 173, 262, 278, 346, 393, 417, 519, 786, 834, 1038, 1703, 1807, 2249, 3406, 3614, 4498, 5109, 5421, 6747, 10218, 10842, 13494, 18209, 22663, 24047, 36418, 45326, 48094, 54627, 67989, 72141, 109254, 135978, 144282, 236717, 294619, 312611, 473434, 589238, 625222, 710151, 883857, 937833, 1420302, 1767714, 1875666, 3150157, 6300314, 9450471, 18900942, 40952041, 81904082, 122856123, 245712246]

約数ペア:

[(1, 245712246), (2, 122856123), (3, 81904082), (6, 40952041), (13, 18900942), (26, 9450471), (39, 6300314), (78, 3150157), (131, 1875666), (139, 1767714), (173, 1420302), (262, 937833), (278, 883857), (346, 710151), (393, 625222), (417, 589238), (519, 473434), (786, 312611), (834, 294619), (1038, 236717), (1703, 144282), (1807, 135978), (2249, 109254), (3406, 72141), (3614, 67989), (4498, 54627), (5109, 48094), (5421, 45326), (6747, 36418), (10218, 24047), (10842, 22663), (13494, 18209)]