128273166

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{439}}^1\times {\mathrm{773}}^1$

素因数の和:1230

約数の個数: 64

約数和(自身を含む): 326937600

約数和(自身を除く): 198664434

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 439, 773, 878, 1317, 1546, 2319, 2634, 3073, 3951, 4638, 5411, 6146, 6957, 7902, 9219, 10822, 11853, 13914, 16233, 18438, 20871, 23706, 27657, 32466, 41742, 48699, 55314, 82971, 97398, 146097, 165942, 292194, 339347, 678694, 1018041, 2036082, 2375429, 3054123, 4750858, 6108246, 7126287, 9162369, 14252574, 18324738, 21378861, 42757722, 64136583, 128273166]

約数ペア:

[(1, 128273166), (2, 64136583), (3, 42757722), (6, 21378861), (7, 18324738), (9, 14252574), (14, 9162369), (18, 7126287), (21, 6108246), (27, 4750858), (42, 3054123), (54, 2375429), (63, 2036082), (126, 1018041), (189, 678694), (378, 339347), (439, 292194), (773, 165942), (878, 146097), (1317, 97398), (1546, 82971), (2319, 55314), (2634, 48699), (3073, 41742), (3951, 32466), (4638, 27657), (5411, 23706), (6146, 20871), (6957, 18438), (7902, 16233), (9219, 13914), (10822, 11853)]