81847792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 183738240

約数和(自身を除く): 101890448

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 79, 104, 136, 158, 208, 221, 272, 293, 316, 442, 586, 632, 884, 1027, 1172, 1264, 1343, 1768, 2054, 2344, 2686, 3536, 3809, 4108, 4688, 4981, 5372, 7618, 8216, 9962, 10744, 15236, 16432, 17459, 19924, 21488, 23147, 30472, 34918, 39848, 46294, 60944, 64753, 69836, 79696, 92588, 129506, 139672, 185176, 259012, 279344, 300911, 370352, 393499, 518024, 601822, 786998, 1036048, 1203644, 1573996, 2407288, 3147992, 4814576, 5115487, 6295984, 10230974, 20461948, 40923896, 81847792]

約数ペア:

[(1, 81847792), (2, 40923896), (4, 20461948), (8, 10230974), (13, 6295984), (16, 5115487), (17, 4814576), (26, 3147992), (34, 2407288), (52, 1573996), (68, 1203644), (79, 1036048), (104, 786998), (136, 601822), (158, 518024), (208, 393499), (221, 370352), (272, 300911), (293, 279344), (316, 259012), (442, 185176), (586, 139672), (632, 129506), (884, 92588), (1027, 79696), (1172, 69836), (1264, 64753), (1343, 60944), (1768, 46294), (2054, 39848), (2344, 34918), (2686, 30472), (3536, 23147), (3809, 21488), (4108, 19924), (4688, 17459), (4981, 16432), (5372, 15236), (7618, 10744), (8216, 9962)]