31915858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 57718080

約数和(自身を除く): 25802222

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 53, 106, 247, 299, 437, 494, 598, 689, 874, 1007, 1219, 1378, 2014, 2438, 2809, 5618, 5681, 11362, 13091, 15847, 23161, 26182, 31694, 36517, 46322, 53371, 64607, 73034, 106742, 129214, 301093, 602186, 693823, 839891, 1227533, 1387646, 1679782, 2455066, 15957929, 31915858]

約数ペア:

[(1, 31915858), (2, 15957929), (13, 2455066), (19, 1679782), (23, 1387646), (26, 1227533), (38, 839891), (46, 693823), (53, 602186), (106, 301093), (247, 129214), (299, 106742), (437, 73034), (494, 64607), (598, 53371), (689, 46322), (874, 36517), (1007, 31694), (1219, 26182), (1378, 23161), (2014, 15847), (2438, 13091), (2809, 11362), (5618, 5681)]