221736996

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1291}}^1$

素因数の和:1681

約数の個数: 72

約数和(自身を含む): 605730944

約数和(自身を除く): 383993948

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 367, 468, 734, 1101, 1291, 1468, 2202, 2582, 3303, 3873, 4404, 4771, 5164, 6606, 7746, 9542, 11619, 13212, 14313, 15492, 16783, 19084, 23238, 28626, 33566, 42939, 46476, 50349, 57252, 67132, 85878, 100698, 151047, 171756, 201396, 302094, 473797, 604188, 947594, 1421391, 1895188, 2842782, 4264173, 5685564, 6159361, 8528346, 12318722, 17056692, 18478083, 24637444, 36956166, 55434249, 73912332, 110868498, 221736996]

約数ペア:

[(1, 221736996), (2, 110868498), (3, 73912332), (4, 55434249), (6, 36956166), (9, 24637444), (12, 18478083), (13, 17056692), (18, 12318722), (26, 8528346), (36, 6159361), (39, 5685564), (52, 4264173), (78, 2842782), (117, 1895188), (156, 1421391), (234, 947594), (367, 604188), (468, 473797), (734, 302094), (1101, 201396), (1291, 171756), (1468, 151047), (2202, 100698), (2582, 85878), (3303, 67132), (3873, 57252), (4404, 50349), (4771, 46476), (5164, 42939), (6606, 33566), (7746, 28626), (9542, 23238), (11619, 19084), (13212, 16783), (14313, 15492)]