438775896

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 1225728000

約数和(自身を除く): 786952104

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 191, 199, 222, 296, 312, 382, 398, 444, 481, 573, 597, 764, 796, 888, 962, 1146, 1194, 1443, 1528, 1592, 1924, 2292, 2388, 2483, 2587, 2886, 3848, 4584, 4776, 4966, 5174, 5772, 7067, 7363, 7449, 7761, 9932, 10348, 11544, 14134, 14726, 14898, 15522, 19864, 20696, 21201, 22089, 28268, 29452, 29796, 31044, 38009, 42402, 44178, 56536, 58904, 59592, 62088, 76018, 84804, 88356, 91871, 95719, 114027, 152036, 169608, 176712, 183742, 191438, 228054, 275613, 287157, 304072, 367484, 382876, 456108, 494117, 551226, 574314, 734968, 765752, 912216, 988234, 1102452, 1148628, 1406333, 1482351, 1976468, 2204904, 2297256, 2812666, 2964702, 3952936, 4218999, 5625332, 5929404, 8437998, 11250664, 11858808, 16875996, 18282329, 33751992, 36564658, 54846987, 73129316, 109693974, 146258632, 219387948, 438775896]

約数ペア:

[(1, 438775896), (2, 219387948), (3, 146258632), (4, 109693974), (6, 73129316), (8, 54846987), (12, 36564658), (13, 33751992), (24, 18282329), (26, 16875996), (37, 11858808), (39, 11250664), (52, 8437998), (74, 5929404), (78, 5625332), (104, 4218999), (111, 3952936), (148, 2964702), (156, 2812666), (191, 2297256), (199, 2204904), (222, 1976468), (296, 1482351), (312, 1406333), (382, 1148628), (398, 1102452), (444, 988234), (481, 912216), (573, 765752), (597, 734968), (764, 574314), (796, 551226), (888, 494117), (962, 456108), (1146, 382876), (1194, 367484), (1443, 304072), (1528, 287157), (1592, 275613), (1924, 228054), (2292, 191438), (2388, 183742), (2483, 176712), (2587, 169608), (2886, 152036), (3848, 114027), (4584, 95719), (4776, 91871), (4966, 88356), (5174, 84804), (5772, 76018), (7067, 62088), (7363, 59592), (7449, 58904), (7761, 56536), (9932, 44178), (10348, 42402), (11544, 38009), (14134, 31044), (14726, 29796), (14898, 29452), (15522, 28268), (19864, 22089), (20696, 21201)]