28641872

素因数分解:

$2^4\times 7^3\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:353

約数の個数: 80

約数和(自身を含む): 68745600

約数和(自身を除く): 40103728

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 196, 238, 272, 307, 343, 392, 476, 614, 686, 784, 833, 952, 1228, 1372, 1666, 1904, 2149, 2456, 2744, 3332, 4298, 4912, 5219, 5488, 5831, 6664, 8596, 10438, 11662, 13328, 15043, 17192, 20876, 23324, 30086, 34384, 36533, 41752, 46648, 60172, 73066, 83504, 93296, 105301, 120344, 146132, 210602, 240688, 255731, 292264, 421204, 511462, 584528, 842408, 1022924, 1684816, 1790117, 2045848, 3580234, 4091696, 7160468, 14320936, 28641872]

約数ペア:

[(1, 28641872), (2, 14320936), (4, 7160468), (7, 4091696), (8, 3580234), (14, 2045848), (16, 1790117), (17, 1684816), (28, 1022924), (34, 842408), (49, 584528), (56, 511462), (68, 421204), (98, 292264), (112, 255731), (119, 240688), (136, 210602), (196, 146132), (238, 120344), (272, 105301), (307, 93296), (343, 83504), (392, 73066), (476, 60172), (614, 46648), (686, 41752), (784, 36533), (833, 34384), (952, 30086), (1228, 23324), (1372, 20876), (1666, 17192), (1904, 15043), (2149, 13328), (2456, 11662), (2744, 10438), (3332, 8596), (4298, 6664), (4912, 5831), (5219, 5488)]