1778902008

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{619}}^1$

素因数の和:853

約数の個数: 128

約数和(自身を含む): 4908019200

約数和(自身を除く): 3129117192

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 61, 78, 104, 122, 151, 156, 183, 244, 302, 312, 366, 453, 488, 604, 619, 732, 793, 906, 1208, 1238, 1464, 1586, 1812, 1857, 1963, 2379, 2476, 3172, 3624, 3714, 3926, 4758, 4952, 5889, 6344, 7428, 7852, 8047, 9211, 9516, 11778, 14856, 15704, 16094, 18422, 19032, 23556, 24141, 27633, 32188, 36844, 37759, 47112, 48282, 55266, 64376, 73688, 75518, 93469, 96564, 110532, 113277, 119743, 151036, 186938, 193128, 221064, 226554, 239486, 280407, 302072, 359229, 373876, 453108, 478972, 490867, 560814, 718458, 747752, 906216, 957944, 981734, 1121628, 1215097, 1436916, 1472601, 1963468, 2243256, 2430194, 2873832, 2945202, 3645291, 3926936, 4860388, 5701609, 5890404, 7290582, 9720776, 11403218, 11780808, 14581164, 17104827, 22806436, 29162328, 34209654, 45612872, 68419308, 74120917, 136838616, 148241834, 222362751, 296483668, 444725502, 592967336, 889451004, 1778902008]

約数ペア:

[(1, 1778902008), (2, 889451004), (3, 592967336), (4, 444725502), (6, 296483668), (8, 222362751), (12, 148241834), (13, 136838616), (24, 74120917), (26, 68419308), (39, 45612872), (52, 34209654), (61, 29162328), (78, 22806436), (104, 17104827), (122, 14581164), (151, 11780808), (156, 11403218), (183, 9720776), (244, 7290582), (302, 5890404), (312, 5701609), (366, 4860388), (453, 3926936), (488, 3645291), (604, 2945202), (619, 2873832), (732, 2430194), (793, 2243256), (906, 1963468), (1208, 1472601), (1238, 1436916), (1464, 1215097), (1586, 1121628), (1812, 981734), (1857, 957944), (1963, 906216), (2379, 747752), (2476, 718458), (3172, 560814), (3624, 490867), (3714, 478972), (3926, 453108), (4758, 373876), (4952, 359229), (5889, 302072), (6344, 280407), (7428, 239486), (7852, 226554), (8047, 221064), (9211, 193128), (9516, 186938), (11778, 151036), (14856, 119743), (15704, 113277), (16094, 110532), (18422, 96564), (19032, 93469), (23556, 75518), (24141, 73688), (27633, 64376), (32188, 55266), (36844, 48282), (37759, 47112)]