161960988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^2$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 469317632

約数和(自身を除く): 307356644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 37, 41, 42, 62, 74, 82, 84, 93, 111, 123, 124, 148, 164, 186, 217, 222, 246, 259, 287, 372, 434, 444, 492, 518, 574, 651, 777, 861, 868, 1036, 1147, 1148, 1271, 1302, 1517, 1554, 1681, 1722, 2294, 2542, 2604, 3034, 3108, 3362, 3441, 3444, 3813, 4551, 4588, 5043, 5084, 6068, 6724, 6882, 7626, 8029, 8897, 9102, 10086, 10619, 11767, 13764, 15252, 16058, 17794, 18204, 20172, 21238, 23534, 24087, 26691, 31857, 32116, 35301, 35588, 42476, 47027, 47068, 48174, 52111, 53382, 62197, 63714, 70602, 94054, 96348, 104222, 106764, 124394, 127428, 141081, 141204, 156333, 186591, 188108, 208444, 248788, 282162, 312666, 329189, 364777, 373182, 435379, 564324, 625332, 658378, 729554, 746364, 870758, 987567, 1094331, 1306137, 1316756, 1459108, 1741516, 1928107, 1975134, 2188662, 2612274, 3856214, 3950268, 4377324, 5224548, 5784321, 7712428, 11568642, 13496749, 23137284, 26993498, 40490247, 53986996, 80980494, 161960988]

約数ペア:

[(1, 161960988), (2, 80980494), (3, 53986996), (4, 40490247), (6, 26993498), (7, 23137284), (12, 13496749), (14, 11568642), (21, 7712428), (28, 5784321), (31, 5224548), (37, 4377324), (41, 3950268), (42, 3856214), (62, 2612274), (74, 2188662), (82, 1975134), (84, 1928107), (93, 1741516), (111, 1459108), (123, 1316756), (124, 1306137), (148, 1094331), (164, 987567), (186, 870758), (217, 746364), (222, 729554), (246, 658378), (259, 625332), (287, 564324), (372, 435379), (434, 373182), (444, 364777), (492, 329189), (518, 312666), (574, 282162), (651, 248788), (777, 208444), (861, 188108), (868, 186591), (1036, 156333), (1147, 141204), (1148, 141081), (1271, 127428), (1302, 124394), (1517, 106764), (1554, 104222), (1681, 96348), (1722, 94054), (2294, 70602), (2542, 63714), (2604, 62197), (3034, 53382), (3108, 52111), (3362, 48174), (3441, 47068), (3444, 47027), (3813, 42476), (4551, 35588), (4588, 35301), (5043, 32116), (5084, 31857), (6068, 26691), (6724, 24087), (6882, 23534), (7626, 21238), (8029, 20172), (8897, 18204), (9102, 17794), (10086, 16058), (10619, 15252), (11767, 13764)]