2787173870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{4507}}^1$

素因数の和:4665

約数の個数: 64

約数和(自身を含む): 5561934336

約数和(自身を除く): 2774760466

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 71, 130, 134, 142, 335, 355, 670, 710, 871, 923, 1742, 1846, 4355, 4507, 4615, 4757, 8710, 9014, 9230, 9514, 22535, 23785, 45070, 47570, 58591, 61841, 117182, 123682, 292955, 301969, 309205, 319997, 585910, 603938, 618410, 639994, 1509845, 1599985, 3019690, 3199970, 3925597, 4159961, 7851194, 8319922, 19627985, 20799805, 21439799, 39255970, 41599610, 42879598, 107198995, 214397990, 278717387, 557434774, 1393586935, 2787173870]

約数ペア:

[(1, 2787173870), (2, 1393586935), (5, 557434774), (10, 278717387), (13, 214397990), (26, 107198995), (65, 42879598), (67, 41599610), (71, 39255970), (130, 21439799), (134, 20799805), (142, 19627985), (335, 8319922), (355, 7851194), (670, 4159961), (710, 3925597), (871, 3199970), (923, 3019690), (1742, 1599985), (1846, 1509845), (4355, 639994), (4507, 618410), (4615, 603938), (4757, 585910), (8710, 319997), (9014, 309205), (9230, 301969), (9514, 292955), (22535, 123682), (23785, 117182), (45070, 61841), (47570, 58591)]