311906908

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 573713280

約数和(自身を除く): 261806372

約数列:

[1, 2, 4, 53, 61, 89, 106, 122, 178, 212, 244, 271, 356, 542, 1084, 3233, 4717, 5429, 6466, 9434, 10858, 12932, 14363, 16531, 18868, 21716, 24119, 28726, 33062, 48238, 57452, 66124, 96476, 287737, 575474, 876143, 1150948, 1278307, 1471259, 1752286, 2556614, 2942518, 3504572, 5113228, 5885036, 77976727, 155953454, 311906908]

約数ペア:

[(1, 311906908), (2, 155953454), (4, 77976727), (53, 5885036), (61, 5113228), (89, 3504572), (106, 2942518), (122, 2556614), (178, 1752286), (212, 1471259), (244, 1278307), (271, 1150948), (356, 876143), (542, 575474), (1084, 287737), (3233, 96476), (4717, 66124), (5429, 57452), (6466, 48238), (9434, 33062), (10858, 28726), (12932, 24119), (14363, 21716), (16531, 18868)]