25279884

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:325

約数の個数: 144

約数和(自身を含む): 81012960

約数和(自身を除く): 55733076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 49, 51, 54, 63, 68, 84, 98, 102, 108, 119, 126, 147, 153, 189, 196, 204, 238, 252, 281, 294, 306, 357, 378, 441, 459, 476, 562, 588, 612, 714, 756, 833, 843, 882, 918, 1071, 1124, 1323, 1428, 1666, 1686, 1764, 1836, 1967, 2142, 2499, 2529, 2646, 3213, 3332, 3372, 3934, 4284, 4777, 4998, 5058, 5292, 5901, 6426, 7497, 7587, 7868, 9554, 9996, 10116, 11802, 12852, 13769, 14331, 14994, 15174, 17703, 19108, 22491, 23604, 27538, 28662, 29988, 30348, 33439, 35406, 41307, 42993, 44982, 53109, 55076, 57324, 66878, 70812, 82614, 85986, 89964, 100317, 106218, 123921, 128979, 133756, 165228, 171972, 200634, 212436, 234073, 247842, 257958, 300951, 371763, 401268, 468146, 495684, 515916, 601902, 702219, 743526, 902853, 936292, 1203804, 1404438, 1487052, 1805706, 2106657, 2808876, 3611412, 4213314, 6319971, 8426628, 12639942, 25279884]

約数ペア:

[(1, 25279884), (2, 12639942), (3, 8426628), (4, 6319971), (6, 4213314), (7, 3611412), (9, 2808876), (12, 2106657), (14, 1805706), (17, 1487052), (18, 1404438), (21, 1203804), (27, 936292), (28, 902853), (34, 743526), (36, 702219), (42, 601902), (49, 515916), (51, 495684), (54, 468146), (63, 401268), (68, 371763), (84, 300951), (98, 257958), (102, 247842), (108, 234073), (119, 212436), (126, 200634), (147, 171972), (153, 165228), (189, 133756), (196, 128979), (204, 123921), (238, 106218), (252, 100317), (281, 89964), (294, 85986), (306, 82614), (357, 70812), (378, 66878), (441, 57324), (459, 55076), (476, 53109), (562, 44982), (588, 42993), (612, 41307), (714, 35406), (756, 33439), (833, 30348), (843, 29988), (882, 28662), (918, 27538), (1071, 23604), (1124, 22491), (1323, 19108), (1428, 17703), (1666, 15174), (1686, 14994), (1764, 14331), (1836, 13769), (1967, 12852), (2142, 11802), (2499, 10116), (2529, 9996), (2646, 9554), (3213, 7868), (3332, 7587), (3372, 7497), (3934, 6426), (4284, 5901), (4777, 5292), (4998, 5058)]