138879208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1049}}^1$

素因数の和:1154

約数の個数: 64

約数和(自身を含む): 299880000

約数和(自身を除く): 161000792

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 67, 76, 104, 134, 152, 247, 268, 494, 536, 871, 988, 1049, 1273, 1742, 1976, 2098, 2546, 3484, 4196, 5092, 6968, 8392, 10184, 13637, 16549, 19931, 27274, 33098, 39862, 54548, 66196, 70283, 79724, 109096, 132392, 140566, 159448, 259103, 281132, 518206, 562264, 913679, 1036412, 1335377, 1827358, 2072824, 2670754, 3654716, 5341508, 7309432, 10683016, 17359901, 34719802, 69439604, 138879208]

約数ペア:

[(1, 138879208), (2, 69439604), (4, 34719802), (8, 17359901), (13, 10683016), (19, 7309432), (26, 5341508), (38, 3654716), (52, 2670754), (67, 2072824), (76, 1827358), (104, 1335377), (134, 1036412), (152, 913679), (247, 562264), (268, 518206), (494, 281132), (536, 259103), (871, 159448), (988, 140566), (1049, 132392), (1273, 109096), (1742, 79724), (1976, 70283), (2098, 66196), (2546, 54548), (3484, 39862), (4196, 33098), (5092, 27274), (6968, 19931), (8392, 16549), (10184, 13637)]