28091272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 61819200

約数和(自身を除く): 33727928

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 53, 76, 88, 106, 152, 209, 212, 317, 418, 424, 583, 634, 836, 1007, 1166, 1268, 1672, 2014, 2332, 2536, 3487, 4028, 4664, 6023, 6974, 8056, 11077, 12046, 13948, 16801, 22154, 24092, 27896, 33602, 44308, 48184, 66253, 67204, 88616, 132506, 134408, 184811, 265012, 319219, 369622, 530024, 638438, 739244, 1276876, 1478488, 2553752, 3511409, 7022818, 14045636, 28091272]

約数ペア:

[(1, 28091272), (2, 14045636), (4, 7022818), (8, 3511409), (11, 2553752), (19, 1478488), (22, 1276876), (38, 739244), (44, 638438), (53, 530024), (76, 369622), (88, 319219), (106, 265012), (152, 184811), (209, 134408), (212, 132506), (317, 88616), (418, 67204), (424, 66253), (583, 48184), (634, 44308), (836, 33602), (1007, 27896), (1166, 24092), (1268, 22154), (1672, 16801), (2014, 13948), (2332, 12046), (2536, 11077), (3487, 8056), (4028, 6974), (4664, 6023)]