387357256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:371

約数の個数: 128

約数和(自身を含む): 914457600

約数和(自身を除く): 527100344

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 71, 76, 88, 104, 142, 143, 152, 209, 247, 251, 284, 286, 418, 494, 502, 568, 572, 781, 836, 923, 988, 1004, 1144, 1349, 1562, 1672, 1846, 1976, 2008, 2698, 2717, 2761, 3124, 3263, 3692, 4769, 5396, 5434, 5522, 6248, 6526, 7384, 9538, 10153, 10792, 10868, 11044, 13052, 14839, 17537, 17821, 19076, 20306, 21736, 22088, 26104, 29678, 35074, 35642, 35893, 38152, 40612, 52459, 59356, 61997, 70148, 71284, 71786, 81224, 104918, 118712, 123994, 140296, 142568, 143572, 192907, 196031, 209836, 231673, 247988, 287144, 338599, 385814, 392062, 419672, 463346, 495976, 677198, 681967, 771628, 784124, 926692, 1354396, 1363934, 1543256, 1568248, 1853384, 2548403, 2708792, 2727868, 3724589, 4401787, 5096806, 5455736, 7449178, 8803574, 10193612, 14898356, 17607148, 20387224, 29796712, 35214296, 48419657, 96839314, 193678628, 387357256]

約数ペア:

[(1, 387357256), (2, 193678628), (4, 96839314), (8, 48419657), (11, 35214296), (13, 29796712), (19, 20387224), (22, 17607148), (26, 14898356), (38, 10193612), (44, 8803574), (52, 7449178), (71, 5455736), (76, 5096806), (88, 4401787), (104, 3724589), (142, 2727868), (143, 2708792), (152, 2548403), (209, 1853384), (247, 1568248), (251, 1543256), (284, 1363934), (286, 1354396), (418, 926692), (494, 784124), (502, 771628), (568, 681967), (572, 677198), (781, 495976), (836, 463346), (923, 419672), (988, 392062), (1004, 385814), (1144, 338599), (1349, 287144), (1562, 247988), (1672, 231673), (1846, 209836), (1976, 196031), (2008, 192907), (2698, 143572), (2717, 142568), (2761, 140296), (3124, 123994), (3263, 118712), (3692, 104918), (4769, 81224), (5396, 71786), (5434, 71284), (5522, 70148), (6248, 61997), (6526, 59356), (7384, 52459), (9538, 40612), (10153, 38152), (10792, 35893), (10868, 35642), (11044, 35074), (13052, 29678), (14839, 26104), (17537, 22088), (17821, 21736), (19076, 20306)]