1781532

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 4953312

約数和(自身を除く): 3171780

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 41, 51, 68, 71, 82, 102, 123, 142, 153, 164, 204, 213, 246, 284, 306, 369, 426, 492, 612, 639, 697, 738, 852, 1207, 1278, 1394, 1476, 2091, 2414, 2556, 2788, 2911, 3621, 4182, 4828, 5822, 6273, 7242, 8364, 8733, 10863, 11644, 12546, 14484, 17466, 21726, 25092, 26199, 34932, 43452, 49487, 52398, 98974, 104796, 148461, 197948, 296922, 445383, 593844, 890766, 1781532]

約数ペア:

[(1, 1781532), (2, 890766), (3, 593844), (4, 445383), (6, 296922), (9, 197948), (12, 148461), (17, 104796), (18, 98974), (34, 52398), (36, 49487), (41, 43452), (51, 34932), (68, 26199), (71, 25092), (82, 21726), (102, 17466), (123, 14484), (142, 12546), (153, 11644), (164, 10863), (204, 8733), (213, 8364), (246, 7242), (284, 6273), (306, 5822), (369, 4828), (426, 4182), (492, 3621), (612, 2911), (639, 2788), (697, 2556), (738, 2414), (852, 2091), (1207, 1476), (1278, 1394)]