28172676

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{349}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 77851200

約数和(自身を除く): 49678524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 349, 372, 434, 651, 698, 868, 961, 1047, 1302, 1396, 1922, 2094, 2443, 2604, 2883, 3844, 4188, 4886, 5766, 6727, 7329, 9772, 10819, 11532, 13454, 14658, 20181, 21638, 26908, 29316, 32457, 40362, 43276, 64914, 75733, 80724, 129828, 151466, 227199, 302932, 335389, 454398, 670778, 908796, 1006167, 1341556, 2012334, 2347723, 4024668, 4695446, 7043169, 9390892, 14086338, 28172676]

約数ペア:

[(1, 28172676), (2, 14086338), (3, 9390892), (4, 7043169), (6, 4695446), (7, 4024668), (12, 2347723), (14, 2012334), (21, 1341556), (28, 1006167), (31, 908796), (42, 670778), (62, 454398), (84, 335389), (93, 302932), (124, 227199), (186, 151466), (217, 129828), (349, 80724), (372, 75733), (434, 64914), (651, 43276), (698, 40362), (868, 32457), (961, 29316), (1047, 26908), (1302, 21638), (1396, 20181), (1922, 14658), (2094, 13454), (2443, 11532), (2604, 10819), (2883, 9772), (3844, 7329), (4188, 6727), (4886, 5766)]