31201996

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 65228800

約数和(自身を除く): 34026804

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 103, 124, 206, 217, 349, 412, 434, 698, 721, 868, 1396, 1442, 2443, 2884, 3193, 4886, 6386, 9772, 10819, 12772, 21638, 22351, 35947, 43276, 44702, 71894, 75733, 89404, 143788, 151466, 251629, 302932, 503258, 1006516, 1114357, 2228714, 4457428, 7800499, 15600998, 31201996]

約数ペア:

[(1, 31201996), (2, 15600998), (4, 7800499), (7, 4457428), (14, 2228714), (28, 1114357), (31, 1006516), (62, 503258), (103, 302932), (124, 251629), (206, 151466), (217, 143788), (349, 89404), (412, 75733), (434, 71894), (698, 44702), (721, 43276), (868, 35947), (1396, 22351), (1442, 21638), (2443, 12772), (2884, 10819), (3193, 9772), (4886, 6386)]