28093212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 87639552

約数和(自身を除く): 59546340

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 37, 42, 46, 63, 69, 74, 84, 92, 111, 126, 131, 138, 148, 161, 207, 222, 252, 259, 262, 276, 322, 333, 393, 414, 444, 483, 518, 524, 644, 666, 777, 786, 828, 851, 917, 966, 1036, 1179, 1332, 1449, 1554, 1572, 1702, 1834, 1932, 2331, 2358, 2553, 2751, 2898, 3013, 3108, 3404, 3668, 4662, 4716, 4847, 5106, 5502, 5796, 5957, 6026, 7659, 8253, 9039, 9324, 9694, 10212, 11004, 11914, 12052, 14541, 15318, 16506, 17871, 18078, 19388, 21091, 23828, 27117, 29082, 30636, 33012, 33929, 35742, 36156, 42182, 43623, 53613, 54234, 58164, 63273, 67858, 71484, 84364, 87246, 101787, 107226, 108468, 111481, 126546, 135716, 174492, 189819, 203574, 214452, 222962, 253092, 305361, 334443, 379638, 407148, 445924, 610722, 668886, 759276, 780367, 1003329, 1221444, 1337772, 1560734, 2006658, 2341101, 3121468, 4013316, 4682202, 7023303, 9364404, 14046606, 28093212]

約数ペア:

[(1, 28093212), (2, 14046606), (3, 9364404), (4, 7023303), (6, 4682202), (7, 4013316), (9, 3121468), (12, 2341101), (14, 2006658), (18, 1560734), (21, 1337772), (23, 1221444), (28, 1003329), (36, 780367), (37, 759276), (42, 668886), (46, 610722), (63, 445924), (69, 407148), (74, 379638), (84, 334443), (92, 305361), (111, 253092), (126, 222962), (131, 214452), (138, 203574), (148, 189819), (161, 174492), (207, 135716), (222, 126546), (252, 111481), (259, 108468), (262, 107226), (276, 101787), (322, 87246), (333, 84364), (393, 71484), (414, 67858), (444, 63273), (483, 58164), (518, 54234), (524, 53613), (644, 43623), (666, 42182), (777, 36156), (786, 35742), (828, 33929), (851, 33012), (917, 30636), (966, 29082), (1036, 27117), (1179, 23828), (1332, 21091), (1449, 19388), (1554, 18078), (1572, 17871), (1702, 16506), (1834, 15318), (1932, 14541), (2331, 12052), (2358, 11914), (2553, 11004), (2751, 10212), (2898, 9694), (3013, 9324), (3108, 9039), (3404, 8253), (3668, 7659), (4662, 6026), (4716, 5957), (4847, 5796), (5106, 5502)]