28505736

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1109}}^1$

素因数の和:1148

約数の個数: 128

約数和(自身を含む): 95904000

約数和(自身を除く): 67398264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 34, 36, 42, 51, 54, 56, 63, 68, 72, 84, 102, 108, 119, 126, 136, 153, 168, 189, 204, 216, 238, 252, 306, 357, 378, 408, 459, 476, 504, 612, 714, 756, 918, 952, 1071, 1109, 1224, 1428, 1512, 1836, 2142, 2218, 2856, 3213, 3327, 3672, 4284, 4436, 6426, 6654, 7763, 8568, 8872, 9981, 12852, 13308, 15526, 18853, 19962, 23289, 25704, 26616, 29943, 31052, 37706, 39924, 46578, 56559, 59886, 62104, 69867, 75412, 79848, 93156, 113118, 119772, 131971, 139734, 150824, 169677, 186312, 209601, 226236, 239544, 263942, 279468, 339354, 395913, 419202, 452472, 509031, 527884, 558936, 678708, 791826, 838404, 1018062, 1055768, 1187739, 1357416, 1583652, 1676808, 2036124, 2375478, 3167304, 3563217, 4072248, 4750956, 7126434, 9501912, 14252868, 28505736]

約数ペア:

[(1, 28505736), (2, 14252868), (3, 9501912), (4, 7126434), (6, 4750956), (7, 4072248), (8, 3563217), (9, 3167304), (12, 2375478), (14, 2036124), (17, 1676808), (18, 1583652), (21, 1357416), (24, 1187739), (27, 1055768), (28, 1018062), (34, 838404), (36, 791826), (42, 678708), (51, 558936), (54, 527884), (56, 509031), (63, 452472), (68, 419202), (72, 395913), (84, 339354), (102, 279468), (108, 263942), (119, 239544), (126, 226236), (136, 209601), (153, 186312), (168, 169677), (189, 150824), (204, 139734), (216, 131971), (238, 119772), (252, 113118), (306, 93156), (357, 79848), (378, 75412), (408, 69867), (459, 62104), (476, 59886), (504, 56559), (612, 46578), (714, 39924), (756, 37706), (918, 31052), (952, 29943), (1071, 26616), (1109, 25704), (1224, 23289), (1428, 19962), (1512, 18853), (1836, 15526), (2142, 13308), (2218, 12852), (2856, 9981), (3213, 8872), (3327, 8568), (3672, 7763), (4284, 6654), (4436, 6426)]