219721304

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 467251200

約数和(自身を除く): 247529896

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 239, 248, 337, 341, 478, 674, 682, 956, 1348, 1364, 1912, 2629, 2696, 2728, 3707, 5258, 7409, 7414, 10447, 10516, 14818, 14828, 20894, 21032, 29636, 29656, 41788, 59272, 80543, 81499, 83576, 114917, 161086, 162998, 229834, 322172, 325996, 459668, 644344, 651992, 885973, 919336, 1771946, 2496833, 3543892, 4993666, 7087784, 9987332, 19974664, 27465163, 54930326, 109860652, 219721304]

約数ペア:

[(1, 219721304), (2, 109860652), (4, 54930326), (8, 27465163), (11, 19974664), (22, 9987332), (31, 7087784), (44, 4993666), (62, 3543892), (88, 2496833), (124, 1771946), (239, 919336), (248, 885973), (337, 651992), (341, 644344), (478, 459668), (674, 325996), (682, 322172), (956, 229834), (1348, 162998), (1364, 161086), (1912, 114917), (2629, 83576), (2696, 81499), (2728, 80543), (3707, 59272), (5258, 41788), (7409, 29656), (7414, 29636), (10447, 21032), (10516, 20894), (14818, 14828)]