320921678

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 642243168

約数和(自身を除く): 321321490

約数列:

[1, 2, 7, 11, 14, 22, 41, 49, 53, 77, 82, 98, 106, 137, 154, 274, 287, 371, 451, 539, 574, 583, 742, 902, 959, 1078, 1166, 1507, 1918, 2009, 2173, 2597, 3014, 3157, 4018, 4081, 4346, 5194, 5617, 6314, 6713, 7261, 8162, 10549, 11234, 13426, 14522, 15211, 21098, 22099, 23903, 28567, 30422, 39319, 44198, 47806, 50827, 57134, 61787, 73843, 78638, 79871, 101654, 106477, 123574, 147686, 159742, 167321, 212954, 275233, 297701, 334642, 355789, 432509, 550466, 559097, 595402, 711578, 865018, 1118194, 1171247, 2083907, 2342494, 3027563, 3274711, 3913679, 4167814, 6055126, 6549422, 7827358, 14587349, 22922977, 29174698, 45845954, 160460839, 320921678]

約数ペア:

[(1, 320921678), (2, 160460839), (7, 45845954), (11, 29174698), (14, 22922977), (22, 14587349), (41, 7827358), (49, 6549422), (53, 6055126), (77, 4167814), (82, 3913679), (98, 3274711), (106, 3027563), (137, 2342494), (154, 2083907), (274, 1171247), (287, 1118194), (371, 865018), (451, 711578), (539, 595402), (574, 559097), (583, 550466), (742, 432509), (902, 355789), (959, 334642), (1078, 297701), (1166, 275233), (1507, 212954), (1918, 167321), (2009, 159742), (2173, 147686), (2597, 123574), (3014, 106477), (3157, 101654), (4018, 79871), (4081, 78638), (4346, 73843), (5194, 61787), (5617, 57134), (6314, 50827), (6713, 47806), (7261, 44198), (8162, 39319), (10549, 30422), (11234, 28567), (13426, 23903), (14522, 22099), (15211, 21098)]