131720004

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3391}}^1$

素因数の和:3497

約数の個数: 72

約数和(自身を含む): 362998272

約数和(自身を除く): 231278268

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 83, 117, 156, 166, 234, 249, 332, 468, 498, 747, 996, 1079, 1494, 2158, 2988, 3237, 3391, 4316, 6474, 6782, 9711, 10173, 12948, 13564, 19422, 20346, 30519, 38844, 40692, 44083, 61038, 88166, 122076, 132249, 176332, 264498, 281453, 396747, 528996, 562906, 793494, 844359, 1125812, 1586988, 1688718, 2533077, 3377436, 3658889, 5066154, 7317778, 10132308, 10976667, 14635556, 21953334, 32930001, 43906668, 65860002, 131720004]

約数ペア:

[(1, 131720004), (2, 65860002), (3, 43906668), (4, 32930001), (6, 21953334), (9, 14635556), (12, 10976667), (13, 10132308), (18, 7317778), (26, 5066154), (36, 3658889), (39, 3377436), (52, 2533077), (78, 1688718), (83, 1586988), (117, 1125812), (156, 844359), (166, 793494), (234, 562906), (249, 528996), (332, 396747), (468, 281453), (498, 264498), (747, 176332), (996, 132249), (1079, 122076), (1494, 88166), (2158, 61038), (2988, 44083), (3237, 40692), (3391, 38844), (4316, 30519), (6474, 20346), (6782, 19422), (9711, 13564), (10173, 12948)]