40438706

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 79847424

約数和(自身を除く): 39408718

約数列:

[1, 2, 7, 11, 14, 22, 37, 47, 74, 77, 94, 151, 154, 259, 302, 329, 407, 517, 518, 658, 814, 1034, 1057, 1661, 1739, 2114, 2849, 3322, 3478, 3619, 5587, 5698, 7097, 7238, 11174, 11627, 12173, 14194, 19129, 23254, 24346, 38258, 39109, 49679, 61457, 78067, 78218, 99358, 122914, 133903, 156134, 262589, 267806, 430199, 525178, 546469, 860398, 1092938, 1838123, 2888479, 3676246, 5776958, 20219353, 40438706]

約数ペア:

[(1, 40438706), (2, 20219353), (7, 5776958), (11, 3676246), (14, 2888479), (22, 1838123), (37, 1092938), (47, 860398), (74, 546469), (77, 525178), (94, 430199), (151, 267806), (154, 262589), (259, 156134), (302, 133903), (329, 122914), (407, 99358), (517, 78218), (518, 78067), (658, 61457), (814, 49679), (1034, 39109), (1057, 38258), (1661, 24346), (1739, 23254), (2114, 19129), (2849, 14194), (3322, 12173), (3478, 11627), (3619, 11174), (5587, 7238), (5698, 7097)]