28790528

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 63699216

約数和(自身を除く): 34908688

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 128, 164, 208, 211, 256, 328, 416, 422, 533, 656, 832, 844, 1066, 1312, 1664, 1688, 2132, 2624, 2743, 3328, 3376, 4264, 5248, 5486, 6752, 8528, 8651, 10496, 10972, 13504, 17056, 17302, 21944, 27008, 34112, 34604, 43888, 54016, 68224, 69208, 87776, 112463, 136448, 138416, 175552, 224926, 276832, 351104, 449852, 553664, 702208, 899704, 1107328, 1799408, 2214656, 3598816, 7197632, 14395264, 28790528]

約数ペア:

[(1, 28790528), (2, 14395264), (4, 7197632), (8, 3598816), (13, 2214656), (16, 1799408), (26, 1107328), (32, 899704), (41, 702208), (52, 553664), (64, 449852), (82, 351104), (104, 276832), (128, 224926), (164, 175552), (208, 138416), (211, 136448), (256, 112463), (328, 87776), (416, 69208), (422, 68224), (533, 54016), (656, 43888), (832, 34604), (844, 34112), (1066, 27008), (1312, 21944), (1664, 17302), (1688, 17056), (2132, 13504), (2624, 10972), (2743, 10496), (3328, 8651), (3376, 8528), (4264, 6752), (5248, 5486)]