31521408

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 90478080

約数和(自身を除く): 58956672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 43, 46, 48, 64, 69, 83, 86, 92, 96, 128, 129, 138, 166, 172, 184, 192, 249, 258, 276, 332, 344, 368, 384, 498, 516, 552, 664, 688, 736, 989, 996, 1032, 1104, 1328, 1376, 1472, 1909, 1978, 1992, 2064, 2208, 2656, 2752, 2944, 2967, 3569, 3818, 3956, 3984, 4128, 4416, 5312, 5504, 5727, 5934, 7138, 7636, 7912, 7968, 8256, 8832, 10624, 10707, 11454, 11868, 14276, 15272, 15824, 15936, 16512, 21414, 22908, 23736, 28552, 30544, 31648, 31872, 42828, 45816, 47472, 57104, 61088, 63296, 82087, 85656, 91632, 94944, 114208, 122176, 126592, 164174, 171312, 183264, 189888, 228416, 244352, 246261, 328348, 342624, 366528, 379776, 456832, 492522, 656696, 685248, 733056, 985044, 1313392, 1370496, 1970088, 2626784, 3940176, 5253568, 7880352, 10507136, 15760704, 31521408]

約数ペア:

[(1, 31521408), (2, 15760704), (3, 10507136), (4, 7880352), (6, 5253568), (8, 3940176), (12, 2626784), (16, 1970088), (23, 1370496), (24, 1313392), (32, 985044), (43, 733056), (46, 685248), (48, 656696), (64, 492522), (69, 456832), (83, 379776), (86, 366528), (92, 342624), (96, 328348), (128, 246261), (129, 244352), (138, 228416), (166, 189888), (172, 183264), (184, 171312), (192, 164174), (249, 126592), (258, 122176), (276, 114208), (332, 94944), (344, 91632), (368, 85656), (384, 82087), (498, 63296), (516, 61088), (552, 57104), (664, 47472), (688, 45816), (736, 42828), (989, 31872), (996, 31648), (1032, 30544), (1104, 28552), (1328, 23736), (1376, 22908), (1472, 21414), (1909, 16512), (1978, 15936), (1992, 15824), (2064, 15272), (2208, 14276), (2656, 11868), (2752, 11454), (2944, 10707), (2967, 10624), (3569, 8832), (3818, 8256), (3956, 7968), (3984, 7912), (4128, 7636), (4416, 7138), (5312, 5934), (5504, 5727)]