28281552

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:828

約数の個数: 80

約数和(自身を含む): 80078208

約数和(自身を除く): 51796656

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 61, 78, 104, 122, 156, 183, 208, 244, 312, 366, 488, 624, 732, 743, 793, 976, 1464, 1486, 1586, 2229, 2379, 2928, 2972, 3172, 4458, 4758, 5944, 6344, 8916, 9516, 9659, 11888, 12688, 17832, 19032, 19318, 28977, 35664, 38064, 38636, 45323, 57954, 77272, 90646, 115908, 135969, 154544, 181292, 231816, 271938, 362584, 463632, 543876, 589199, 725168, 1087752, 1178398, 1767597, 2175504, 2356796, 3535194, 4713592, 7070388, 9427184, 14140776, 28281552]

約数ペア:

[(1, 28281552), (2, 14140776), (3, 9427184), (4, 7070388), (6, 4713592), (8, 3535194), (12, 2356796), (13, 2175504), (16, 1767597), (24, 1178398), (26, 1087752), (39, 725168), (48, 589199), (52, 543876), (61, 463632), (78, 362584), (104, 271938), (122, 231816), (156, 181292), (183, 154544), (208, 135969), (244, 115908), (312, 90646), (366, 77272), (488, 57954), (624, 45323), (732, 38636), (743, 38064), (793, 35664), (976, 28977), (1464, 19318), (1486, 19032), (1586, 17832), (2229, 12688), (2379, 11888), (2928, 9659), (2972, 9516), (3172, 8916), (4458, 6344), (4758, 5944)]