38984218

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 76769280

約数和(自身を除く): 37785062

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 67, 91, 134, 139, 161, 182, 278, 299, 322, 469, 598, 871, 938, 973, 1541, 1742, 1807, 1946, 2093, 3082, 3197, 3614, 4186, 6097, 6394, 9313, 10787, 12194, 12649, 18626, 20033, 21574, 22379, 25298, 40066, 41561, 44758, 65191, 83122, 121069, 130382, 140231, 214199, 242138, 280462, 290927, 428398, 581854, 847483, 1499393, 1694966, 2784587, 2998786, 5569174, 19492109, 38984218]

約数ペア:

[(1, 38984218), (2, 19492109), (7, 5569174), (13, 2998786), (14, 2784587), (23, 1694966), (26, 1499393), (46, 847483), (67, 581854), (91, 428398), (134, 290927), (139, 280462), (161, 242138), (182, 214199), (278, 140231), (299, 130382), (322, 121069), (469, 83122), (598, 65191), (871, 44758), (938, 41561), (973, 40066), (1541, 25298), (1742, 22379), (1807, 21574), (1946, 20033), (2093, 18626), (3082, 12649), (3197, 12194), (3614, 10787), (4186, 9313), (6097, 6394)]