157387029604

素因数分解:

$2^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{20483}}^1$

素因数の和:20897

約数の個数: 72

約数和(自身を含む): 323655393600

約数和(自身を除く): 166268363996

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 197, 199, 394, 398, 788, 796, 1379, 1393, 2758, 2786, 5516, 5572, 9653, 9751, 19306, 19502, 20483, 38612, 39004, 39203, 40966, 78406, 81932, 143381, 156812, 274421, 286762, 548842, 573524, 1003667, 1097684, 1920947, 2007334, 3841894, 4014668, 4035151, 4076117, 7683788, 8070302, 8152234, 16140604, 16304468, 28246057, 28532819, 56492114, 57065638, 112984228, 114131276, 197722399, 199729733, 395444798, 399459466, 790889596, 798918932, 802995049, 1605990098, 3211980196, 5620965343, 11241930686, 22483861372, 39346757401, 78693514802, 157387029604]

約数ペア:

[(1, 157387029604), (2, 78693514802), (4, 39346757401), (7, 22483861372), (14, 11241930686), (28, 5620965343), (49, 3211980196), (98, 1605990098), (196, 802995049), (197, 798918932), (199, 790889596), (394, 399459466), (398, 395444798), (788, 199729733), (796, 197722399), (1379, 114131276), (1393, 112984228), (2758, 57065638), (2786, 56492114), (5516, 28532819), (5572, 28246057), (9653, 16304468), (9751, 16140604), (19306, 8152234), (19502, 8070302), (20483, 7683788), (38612, 4076117), (39004, 4035151), (39203, 4014668), (40966, 3841894), (78406, 2007334), (81932, 1920947), (143381, 1097684), (156812, 1003667), (274421, 573524), (286762, 548842)]