31116715

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 47672064

約数和(自身を除く): 16555349

約数列:

[1, 5, 7, 17, 31, 35, 49, 85, 119, 155, 217, 241, 245, 527, 595, 833, 1085, 1205, 1519, 1687, 2635, 3689, 4097, 4165, 7471, 7595, 8435, 11809, 18445, 20485, 25823, 28679, 37355, 52297, 59045, 127007, 129115, 143395, 200753, 261485, 366079, 635035, 889049, 1003765, 1830395, 4445245, 6223343, 31116715]

約数ペア:

[(1, 31116715), (5, 6223343), (7, 4445245), (17, 1830395), (31, 1003765), (35, 889049), (49, 635035), (85, 366079), (119, 261485), (155, 200753), (217, 143395), (241, 129115), (245, 127007), (527, 59045), (595, 52297), (833, 37355), (1085, 28679), (1205, 25823), (1519, 20485), (1687, 18445), (2635, 11809), (3689, 8435), (4097, 7595), (4165, 7471)]