31047835

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 47960640

約数和(自身を除く): 16912805

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 169, 181, 203, 377, 455, 845, 905, 1015, 1183, 1267, 1885, 2353, 2639, 4901, 5249, 5915, 6335, 11765, 13195, 16471, 24505, 26245, 30589, 34307, 36743, 68237, 82355, 152945, 171535, 183715, 214123, 341185, 477659, 887081, 1070615, 2388295, 4435405, 6209567, 31047835]

約数ペア:

[(1, 31047835), (5, 6209567), (7, 4435405), (13, 2388295), (29, 1070615), (35, 887081), (65, 477659), (91, 341185), (145, 214123), (169, 183715), (181, 171535), (203, 152945), (377, 82355), (455, 68237), (845, 36743), (905, 34307), (1015, 30589), (1183, 26245), (1267, 24505), (1885, 16471), (2353, 13195), (2639, 11765), (4901, 6335), (5249, 5915)]