278920386

素因数分解:

$2^1\times 3^2\times {\mathrm{113}}^1\times {\mathrm{241}}^1\times {\mathrm{569}}^1$

素因数の和:931

約数の個数: 48

約数和(自身を含む): 613281240

約数和(自身を除く): 334360854

約数列:

[1, 2, 3, 6, 9, 18, 113, 226, 241, 339, 482, 569, 678, 723, 1017, 1138, 1446, 1707, 2034, 2169, 3414, 4338, 5121, 10242, 27233, 54466, 64297, 81699, 128594, 137129, 163398, 192891, 245097, 274258, 385782, 411387, 490194, 578673, 822774, 1157346, 1234161, 2468322, 15495577, 30991154, 46486731, 92973462, 139460193, 278920386]

約数ペア:

[(1, 278920386), (2, 139460193), (3, 92973462), (6, 46486731), (9, 30991154), (18, 15495577), (113, 2468322), (226, 1234161), (241, 1157346), (339, 822774), (482, 578673), (569, 490194), (678, 411387), (723, 385782), (1017, 274258), (1138, 245097), (1446, 192891), (1707, 163398), (2034, 137129), (2169, 128594), (3414, 81699), (4338, 64297), (5121, 54466), (10242, 27233)]