1538049128

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1$

素因数の和:631

約数の個数: 128

約数和(自身を含む): 3738009600

約数和(自身を除く): 2199960472

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 239, 248, 308, 337, 341, 434, 478, 616, 674, 682, 868, 956, 1348, 1364, 1673, 1736, 1912, 2359, 2387, 2629, 2696, 2728, 3346, 3707, 4718, 4774, 5258, 6692, 7409, 7414, 9436, 9548, 10447, 10516, 13384, 14818, 14828, 18403, 18872, 19096, 20894, 21032, 25949, 29636, 29656, 36806, 41788, 51863, 51898, 59272, 73129, 73612, 80543, 81499, 83576, 103726, 103796, 114917, 146258, 147224, 161086, 162998, 207452, 207592, 229834, 292516, 322172, 325996, 414904, 459668, 563801, 570493, 585032, 644344, 651992, 804419, 885973, 919336, 1127602, 1140986, 1608838, 1771946, 2255204, 2281972, 2496833, 3217676, 3543892, 4510408, 4563944, 4993666, 6201811, 6435352, 7087784, 9987332, 12403622, 17477831, 19974664, 24807244, 27465163, 34955662, 49614488, 54930326, 69911324, 109860652, 139822648, 192256141, 219721304, 384512282, 769024564, 1538049128]

約数ペア:

[(1, 1538049128), (2, 769024564), (4, 384512282), (7, 219721304), (8, 192256141), (11, 139822648), (14, 109860652), (22, 69911324), (28, 54930326), (31, 49614488), (44, 34955662), (56, 27465163), (62, 24807244), (77, 19974664), (88, 17477831), (124, 12403622), (154, 9987332), (217, 7087784), (239, 6435352), (248, 6201811), (308, 4993666), (337, 4563944), (341, 4510408), (434, 3543892), (478, 3217676), (616, 2496833), (674, 2281972), (682, 2255204), (868, 1771946), (956, 1608838), (1348, 1140986), (1364, 1127602), (1673, 919336), (1736, 885973), (1912, 804419), (2359, 651992), (2387, 644344), (2629, 585032), (2696, 570493), (2728, 563801), (3346, 459668), (3707, 414904), (4718, 325996), (4774, 322172), (5258, 292516), (6692, 229834), (7409, 207592), (7414, 207452), (9436, 162998), (9548, 161086), (10447, 147224), (10516, 146258), (13384, 114917), (14818, 103796), (14828, 103726), (18403, 83576), (18872, 81499), (19096, 80543), (20894, 73612), (21032, 73129), (25949, 59272), (29636, 51898), (29656, 51863), (36806, 41788)]