71206642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 131241600

約数和(自身を除く): 60034958

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 61, 122, 139, 221, 247, 278, 323, 442, 494, 646, 793, 1037, 1159, 1586, 1807, 2074, 2318, 2363, 2641, 3614, 4199, 4726, 5282, 8398, 8479, 13481, 15067, 16958, 19703, 26962, 30134, 30719, 34333, 39406, 44897, 61438, 68666, 89794, 110227, 144143, 161101, 220454, 256139, 288286, 322202, 512278, 583661, 1167322, 1873859, 2094313, 2738717, 3747718, 4188626, 5477434, 35603321, 71206642]

約数ペア:

[(1, 71206642), (2, 35603321), (13, 5477434), (17, 4188626), (19, 3747718), (26, 2738717), (34, 2094313), (38, 1873859), (61, 1167322), (122, 583661), (139, 512278), (221, 322202), (247, 288286), (278, 256139), (323, 220454), (442, 161101), (494, 144143), (646, 110227), (793, 89794), (1037, 68666), (1159, 61438), (1586, 44897), (1807, 39406), (2074, 34333), (2318, 30719), (2363, 30134), (2641, 26962), (3614, 19703), (4199, 16958), (4726, 15067), (5282, 13481), (8398, 8479)]