71816948

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 155131200

約数和(自身を除く): 83314252

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 89, 92, 98, 161, 178, 179, 196, 322, 356, 358, 623, 644, 716, 1127, 1246, 1253, 2047, 2254, 2492, 2506, 4094, 4117, 4361, 4508, 5012, 8188, 8234, 8722, 8771, 14329, 15931, 16468, 17444, 17542, 28658, 28819, 31862, 35084, 57316, 57638, 63724, 100303, 111517, 115276, 200606, 201733, 223034, 366413, 401212, 403466, 446068, 732826, 780619, 806932, 1465652, 1561238, 2564891, 3122476, 5129782, 10259564, 17954237, 35908474, 71816948]

約数ペア:

[(1, 71816948), (2, 35908474), (4, 17954237), (7, 10259564), (14, 5129782), (23, 3122476), (28, 2564891), (46, 1561238), (49, 1465652), (89, 806932), (92, 780619), (98, 732826), (161, 446068), (178, 403466), (179, 401212), (196, 366413), (322, 223034), (356, 201733), (358, 200606), (623, 115276), (644, 111517), (716, 100303), (1127, 63724), (1246, 57638), (1253, 57316), (2047, 35084), (2254, 31862), (2492, 28819), (2506, 28658), (4094, 17542), (4117, 17444), (4361, 16468), (4508, 15931), (5012, 14329), (8188, 8771), (8234, 8722)]