28608732

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 76112400

約数和(自身を除く): 47503668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 67, 87, 116, 134, 174, 201, 261, 268, 348, 402, 409, 522, 603, 804, 818, 1044, 1206, 1227, 1636, 1943, 2412, 2454, 3681, 3886, 4908, 5829, 7362, 7772, 11658, 11861, 14724, 17487, 23316, 23722, 27403, 34974, 35583, 47444, 54806, 69948, 71166, 82209, 106749, 109612, 142332, 164418, 213498, 246627, 328836, 426996, 493254, 794687, 986508, 1589374, 2384061, 3178748, 4768122, 7152183, 9536244, 14304366, 28608732]

約数ペア:

[(1, 28608732), (2, 14304366), (3, 9536244), (4, 7152183), (6, 4768122), (9, 3178748), (12, 2384061), (18, 1589374), (29, 986508), (36, 794687), (58, 493254), (67, 426996), (87, 328836), (116, 246627), (134, 213498), (174, 164418), (201, 142332), (261, 109612), (268, 106749), (348, 82209), (402, 71166), (409, 69948), (522, 54806), (603, 47444), (804, 35583), (818, 34974), (1044, 27403), (1206, 23722), (1227, 23316), (1636, 17487), (1943, 14724), (2412, 11861), (2454, 11658), (3681, 7772), (3886, 7362), (4908, 5829)]