28879998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 69189120

約数和(自身を除く): 40309122

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 131, 174, 181, 203, 262, 362, 393, 406, 543, 609, 786, 917, 1086, 1218, 1267, 1834, 2534, 2751, 3799, 3801, 5249, 5502, 7598, 7602, 10498, 11397, 15747, 22794, 23711, 26593, 31494, 36743, 47422, 53186, 71133, 73486, 79779, 110229, 142266, 159558, 165977, 220458, 331954, 497931, 687619, 995862, 1375238, 2062857, 4125714, 4813333, 9626666, 14439999, 28879998]

約数ペア:

[(1, 28879998), (2, 14439999), (3, 9626666), (6, 4813333), (7, 4125714), (14, 2062857), (21, 1375238), (29, 995862), (42, 687619), (58, 497931), (87, 331954), (131, 220458), (174, 165977), (181, 159558), (203, 142266), (262, 110229), (362, 79779), (393, 73486), (406, 71133), (543, 53186), (609, 47422), (786, 36743), (917, 31494), (1086, 26593), (1218, 23711), (1267, 22794), (1834, 15747), (2534, 11397), (2751, 10498), (3799, 7602), (3801, 7598), (5249, 5502)]