28868252

素因数分解:

$2^2\times 7^3\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 60177600

約数和(自身を除く): 31309348

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 343, 371, 397, 686, 742, 794, 1372, 1484, 1588, 2597, 2779, 5194, 5558, 10388, 11116, 18179, 19453, 21041, 36358, 38906, 42082, 72716, 77812, 84164, 136171, 147287, 272342, 294574, 544684, 589148, 1031009, 2062018, 4124036, 7217063, 14434126, 28868252]

約数ペア:

[(1, 28868252), (2, 14434126), (4, 7217063), (7, 4124036), (14, 2062018), (28, 1031009), (49, 589148), (53, 544684), (98, 294574), (106, 272342), (196, 147287), (212, 136171), (343, 84164), (371, 77812), (397, 72716), (686, 42082), (742, 38906), (794, 36358), (1372, 21041), (1484, 19453), (1588, 18179), (2597, 11116), (2779, 10388), (5194, 5558)]