816726248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 1827840000

約数和(自身を除く): 1011113752

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 67, 76, 104, 124, 134, 152, 199, 247, 248, 268, 398, 403, 494, 536, 589, 796, 806, 871, 988, 1178, 1273, 1592, 1612, 1742, 1976, 2077, 2356, 2546, 2587, 3224, 3484, 3781, 4154, 4712, 5092, 5174, 6169, 6968, 7562, 7657, 8308, 10184, 10348, 12338, 13333, 15124, 15314, 16549, 16616, 20696, 24676, 26666, 27001, 30248, 30628, 33098, 39463, 49153, 49352, 53332, 54002, 61256, 66196, 78926, 80197, 98306, 106664, 108004, 117211, 132392, 157852, 160394, 173329, 196612, 216008, 234422, 253327, 315704, 320788, 346658, 393224, 413323, 468844, 506654, 513019, 641576, 693316, 826646, 937688, 1013308, 1026038, 1386632, 1523743, 1653292, 2026616, 2052076, 3047486, 3293251, 3306584, 4104152, 5373199, 6094972, 6586502, 7853137, 10746398, 12189944, 13173004, 15706274, 21492796, 26346008, 31412548, 42985592, 62825096, 102090781, 204181562, 408363124, 816726248]

約数ペア:

[(1, 816726248), (2, 408363124), (4, 204181562), (8, 102090781), (13, 62825096), (19, 42985592), (26, 31412548), (31, 26346008), (38, 21492796), (52, 15706274), (62, 13173004), (67, 12189944), (76, 10746398), (104, 7853137), (124, 6586502), (134, 6094972), (152, 5373199), (199, 4104152), (247, 3306584), (248, 3293251), (268, 3047486), (398, 2052076), (403, 2026616), (494, 1653292), (536, 1523743), (589, 1386632), (796, 1026038), (806, 1013308), (871, 937688), (988, 826646), (1178, 693316), (1273, 641576), (1592, 513019), (1612, 506654), (1742, 468844), (1976, 413323), (2077, 393224), (2356, 346658), (2546, 320788), (2587, 315704), (3224, 253327), (3484, 234422), (3781, 216008), (4154, 196612), (4712, 173329), (5092, 160394), (5174, 157852), (6169, 132392), (6968, 117211), (7562, 108004), (7657, 106664), (8308, 98306), (10184, 80197), (10348, 78926), (12338, 66196), (13333, 61256), (15124, 54002), (15314, 53332), (16549, 49352), (16616, 49153), (20696, 39463), (24676, 33098), (26666, 30628), (27001, 30248)]