28476972

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 83865600

約数和(自身を除く): 55388628

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 31, 34, 36, 38, 51, 57, 62, 68, 76, 79, 93, 102, 114, 124, 153, 158, 171, 186, 204, 228, 237, 279, 306, 316, 323, 342, 372, 474, 527, 558, 589, 612, 646, 684, 711, 948, 969, 1054, 1116, 1178, 1292, 1343, 1422, 1501, 1581, 1767, 1938, 2108, 2356, 2449, 2686, 2844, 2907, 3002, 3162, 3534, 3876, 4029, 4503, 4743, 4898, 5301, 5372, 5814, 6004, 6324, 7068, 7347, 8058, 9006, 9486, 9796, 10013, 10602, 11628, 12087, 13509, 14694, 16116, 18012, 18972, 20026, 21204, 22041, 24174, 25517, 27018, 29388, 30039, 40052, 41633, 44082, 46531, 48348, 51034, 54036, 60078, 76551, 83266, 88164, 90117, 93062, 102068, 120156, 124899, 139593, 153102, 166532, 180234, 186124, 229653, 249798, 279186, 306204, 360468, 374697, 418779, 459306, 499596, 558372, 749394, 791027, 837558, 918612, 1498788, 1582054, 1675116, 2373081, 3164108, 4746162, 7119243, 9492324, 14238486, 28476972]

約数ペア:

[(1, 28476972), (2, 14238486), (3, 9492324), (4, 7119243), (6, 4746162), (9, 3164108), (12, 2373081), (17, 1675116), (18, 1582054), (19, 1498788), (31, 918612), (34, 837558), (36, 791027), (38, 749394), (51, 558372), (57, 499596), (62, 459306), (68, 418779), (76, 374697), (79, 360468), (93, 306204), (102, 279186), (114, 249798), (124, 229653), (153, 186124), (158, 180234), (171, 166532), (186, 153102), (204, 139593), (228, 124899), (237, 120156), (279, 102068), (306, 93062), (316, 90117), (323, 88164), (342, 83266), (372, 76551), (474, 60078), (527, 54036), (558, 51034), (589, 48348), (612, 46531), (646, 44082), (684, 41633), (711, 40052), (948, 30039), (969, 29388), (1054, 27018), (1116, 25517), (1178, 24174), (1292, 22041), (1343, 21204), (1422, 20026), (1501, 18972), (1581, 18012), (1767, 16116), (1938, 14694), (2108, 13509), (2356, 12087), (2449, 11628), (2686, 10602), (2844, 10013), (2907, 9796), (3002, 9486), (3162, 9006), (3534, 8058), (3876, 7347), (4029, 7068), (4503, 6324), (4743, 6004), (4898, 5814), (5301, 5372)]