243431344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2058

約数の個数: 80

約数和(自身を含む): 552186880

約数和(自身を除く): 308755536

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 589, 806, 988, 1178, 1612, 1976, 1987, 2356, 3224, 3952, 3974, 4712, 6448, 7657, 7948, 9424, 15314, 15896, 25831, 30628, 31792, 37753, 51662, 61256, 61597, 75506, 103324, 122512, 123194, 151012, 206648, 246388, 302024, 413296, 490789, 492776, 604048, 800761, 981578, 985552, 1170343, 1601522, 1963156, 2340686, 3203044, 3926312, 4681372, 6406088, 7852624, 9362744, 12812176, 15214459, 18725488, 30428918, 60857836, 121715672, 243431344]

約数ペア:

[(1, 243431344), (2, 121715672), (4, 60857836), (8, 30428918), (13, 18725488), (16, 15214459), (19, 12812176), (26, 9362744), (31, 7852624), (38, 6406088), (52, 4681372), (62, 3926312), (76, 3203044), (104, 2340686), (124, 1963156), (152, 1601522), (208, 1170343), (247, 985552), (248, 981578), (304, 800761), (403, 604048), (494, 492776), (496, 490789), (589, 413296), (806, 302024), (988, 246388), (1178, 206648), (1612, 151012), (1976, 123194), (1987, 122512), (2356, 103324), (3224, 75506), (3952, 61597), (3974, 61256), (4712, 51662), (6448, 37753), (7657, 31792), (7948, 30628), (9424, 25831), (15314, 15896)]