81242196

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4457}}^1$

素因数の和:4509

約数の個数: 72

約数和(自身を含む): 227678976

約数和(自身を除く): 146436780

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 434, 588, 651, 868, 1302, 1519, 2604, 3038, 4457, 4557, 6076, 8914, 9114, 13371, 17828, 18228, 26742, 31199, 53484, 62398, 93597, 124796, 138167, 187194, 218393, 276334, 374388, 414501, 436786, 552668, 655179, 829002, 873572, 967169, 1310358, 1658004, 1934338, 2620716, 2901507, 3868676, 5803014, 6770183, 11606028, 13540366, 20310549, 27080732, 40621098, 81242196]

約数ペア:

[(1, 81242196), (2, 40621098), (3, 27080732), (4, 20310549), (6, 13540366), (7, 11606028), (12, 6770183), (14, 5803014), (21, 3868676), (28, 2901507), (31, 2620716), (42, 1934338), (49, 1658004), (62, 1310358), (84, 967169), (93, 873572), (98, 829002), (124, 655179), (147, 552668), (186, 436786), (196, 414501), (217, 374388), (294, 276334), (372, 218393), (434, 187194), (588, 138167), (651, 124796), (868, 93597), (1302, 62398), (1519, 53484), (2604, 31199), (3038, 26742), (4457, 18228), (4557, 17828), (6076, 13371), (8914, 9114)]