2405988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 6742008

約数和(自身を除く): 4336020

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 97, 106, 117, 156, 159, 194, 212, 234, 291, 318, 388, 468, 477, 582, 636, 689, 873, 954, 1164, 1261, 1378, 1746, 1908, 2067, 2522, 2756, 3492, 3783, 4134, 5044, 5141, 6201, 7566, 8268, 10282, 11349, 12402, 15132, 15423, 20564, 22698, 24804, 30846, 45396, 46269, 61692, 66833, 92538, 133666, 185076, 200499, 267332, 400998, 601497, 801996, 1202994, 2405988]

約数ペア:

[(1, 2405988), (2, 1202994), (3, 801996), (4, 601497), (6, 400998), (9, 267332), (12, 200499), (13, 185076), (18, 133666), (26, 92538), (36, 66833), (39, 61692), (52, 46269), (53, 45396), (78, 30846), (97, 24804), (106, 22698), (117, 20564), (156, 15423), (159, 15132), (194, 12402), (212, 11349), (234, 10282), (291, 8268), (318, 7566), (388, 6201), (468, 5141), (477, 5044), (582, 4134), (636, 3783), (689, 3492), (873, 2756), (954, 2522), (1164, 2067), (1261, 1908), (1378, 1746)]