16651278

素因数分解:

$2^1\times 3^3\times 7^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 128

約数和(自身を含む): 46080000

約数和(自身を除く): 29428722

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 31, 42, 49, 54, 58, 62, 63, 87, 93, 98, 126, 147, 174, 186, 189, 203, 217, 261, 279, 294, 343, 378, 406, 434, 441, 522, 558, 609, 651, 686, 783, 837, 882, 899, 1029, 1218, 1302, 1323, 1421, 1519, 1566, 1674, 1798, 1827, 1953, 2058, 2646, 2697, 2842, 3038, 3087, 3654, 3906, 4263, 4557, 5394, 5481, 5859, 6174, 6293, 8091, 8526, 9114, 9261, 9947, 10633, 10962, 11718, 12586, 12789, 13671, 16182, 18522, 18879, 19894, 21266, 24273, 25578, 27342, 29841, 31899, 37758, 38367, 41013, 44051, 48546, 56637, 59682, 63798, 76734, 82026, 88102, 89523, 95697, 113274, 132153, 169911, 179046, 191394, 264306, 268569, 287091, 308357, 339822, 396459, 537138, 574182, 616714, 792918, 925071, 1189377, 1850142, 2378754, 2775213, 5550426, 8325639, 16651278]

約数ペア:

[(1, 16651278), (2, 8325639), (3, 5550426), (6, 2775213), (7, 2378754), (9, 1850142), (14, 1189377), (18, 925071), (21, 792918), (27, 616714), (29, 574182), (31, 537138), (42, 396459), (49, 339822), (54, 308357), (58, 287091), (62, 268569), (63, 264306), (87, 191394), (93, 179046), (98, 169911), (126, 132153), (147, 113274), (174, 95697), (186, 89523), (189, 88102), (203, 82026), (217, 76734), (261, 63798), (279, 59682), (294, 56637), (343, 48546), (378, 44051), (406, 41013), (434, 38367), (441, 37758), (522, 31899), (558, 29841), (609, 27342), (651, 25578), (686, 24273), (783, 21266), (837, 19894), (882, 18879), (899, 18522), (1029, 16182), (1218, 13671), (1302, 12789), (1323, 12586), (1421, 11718), (1519, 10962), (1566, 10633), (1674, 9947), (1798, 9261), (1827, 9114), (1953, 8526), (2058, 8091), (2646, 6293), (2697, 6174), (2842, 5859), (3038, 5481), (3087, 5394), (3654, 4557), (3906, 4263)]