209445678

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1423}}^1$

素因数の和:1498

約数の個数: 96

約数和(自身を含む): 531812736

約数和(自身を除く): 322367058

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 37, 39, 51, 74, 78, 102, 111, 117, 153, 221, 222, 234, 306, 333, 442, 481, 629, 663, 666, 962, 1258, 1326, 1423, 1443, 1887, 1989, 2846, 2886, 3774, 3978, 4269, 4329, 5661, 8177, 8538, 8658, 11322, 12807, 16354, 18499, 24191, 24531, 25614, 36998, 48382, 49062, 52651, 55497, 72573, 73593, 105302, 110994, 145146, 147186, 157953, 166491, 217719, 314483, 315906, 332982, 435438, 473859, 628966, 684463, 895067, 943449, 947718, 1368926, 1790134, 1886898, 2053389, 2685201, 2830347, 4106778, 5370402, 5660694, 6160167, 8055603, 11635871, 12320334, 16111206, 23271742, 34907613, 69815226, 104722839, 209445678]

約数ペア:

[(1, 209445678), (2, 104722839), (3, 69815226), (6, 34907613), (9, 23271742), (13, 16111206), (17, 12320334), (18, 11635871), (26, 8055603), (34, 6160167), (37, 5660694), (39, 5370402), (51, 4106778), (74, 2830347), (78, 2685201), (102, 2053389), (111, 1886898), (117, 1790134), (153, 1368926), (221, 947718), (222, 943449), (234, 895067), (306, 684463), (333, 628966), (442, 473859), (481, 435438), (629, 332982), (663, 315906), (666, 314483), (962, 217719), (1258, 166491), (1326, 157953), (1423, 147186), (1443, 145146), (1887, 110994), (1989, 105302), (2846, 73593), (2886, 72573), (3774, 55497), (3978, 52651), (4269, 49062), (4329, 48382), (5661, 36998), (8177, 25614), (8538, 24531), (8658, 24191), (11322, 18499), (12807, 16354)]