31001908

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2593}}^1$

素因数の和:2672

約数の個数: 36

約数和(自身を含む): 64170372

約数和(自身を除く): 33168464

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1708, 2593, 2989, 5186, 5978, 10372, 11956, 18151, 36302, 72604, 127057, 158173, 254114, 316346, 508228, 632692, 1107211, 2214422, 4428844, 7750477, 15500954, 31001908]

約数ペア:

[(1, 31001908), (2, 15500954), (4, 7750477), (7, 4428844), (14, 2214422), (28, 1107211), (49, 632692), (61, 508228), (98, 316346), (122, 254114), (196, 158173), (244, 127057), (427, 72604), (854, 36302), (1708, 18151), (2593, 11956), (2989, 10372), (5186, 5978)]