201731968

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{761}}^1$

素因数の和:903

約数の個数: 64

約数和(自身を含む): 427482000

約数和(自身を除く): 225750032

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 109, 128, 152, 218, 304, 436, 608, 761, 872, 1216, 1522, 1744, 2071, 2432, 3044, 3488, 4142, 6088, 6976, 8284, 12176, 13952, 14459, 16568, 24352, 28918, 33136, 48704, 57836, 66272, 82949, 97408, 115672, 132544, 165898, 231344, 265088, 331796, 462688, 663592, 925376, 1327184, 1576031, 1850752, 2654368, 3152062, 5308736, 6304124, 10617472, 12608248, 25216496, 50432992, 100865984, 201731968]

約数ペア:

[(1, 201731968), (2, 100865984), (4, 50432992), (8, 25216496), (16, 12608248), (19, 10617472), (32, 6304124), (38, 5308736), (64, 3152062), (76, 2654368), (109, 1850752), (128, 1576031), (152, 1327184), (218, 925376), (304, 663592), (436, 462688), (608, 331796), (761, 265088), (872, 231344), (1216, 165898), (1522, 132544), (1744, 115672), (2071, 97408), (2432, 82949), (3044, 66272), (3488, 57836), (4142, 48704), (6088, 33136), (6976, 28918), (8284, 24352), (12176, 16568), (13952, 14459)]