721141036

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:780

約数の個数: 96

約数和(自身を含む): 1630540800

約数和(自身を除く): 909399764

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 71, 77, 98, 142, 154, 196, 284, 308, 343, 497, 539, 673, 686, 781, 994, 1078, 1346, 1372, 1562, 1988, 2156, 2692, 3124, 3479, 3773, 4711, 5467, 6958, 7403, 7546, 9422, 10934, 13916, 14806, 15092, 18844, 21868, 24353, 29612, 32977, 38269, 47783, 48706, 51821, 65954, 76538, 95566, 97412, 103642, 131908, 153076, 191132, 207284, 230839, 267883, 334481, 362747, 461678, 525613, 535766, 668962, 725494, 923356, 1051226, 1071532, 1337924, 1450988, 2102452, 2341367, 2539229, 3679291, 4682734, 5078458, 7358582, 9365468, 10156916, 14717164, 16389569, 25755037, 32779138, 51510074, 65558276, 103020148, 180285259, 360570518, 721141036]

約数ペア:

[(1, 721141036), (2, 360570518), (4, 180285259), (7, 103020148), (11, 65558276), (14, 51510074), (22, 32779138), (28, 25755037), (44, 16389569), (49, 14717164), (71, 10156916), (77, 9365468), (98, 7358582), (142, 5078458), (154, 4682734), (196, 3679291), (284, 2539229), (308, 2341367), (343, 2102452), (497, 1450988), (539, 1337924), (673, 1071532), (686, 1051226), (781, 923356), (994, 725494), (1078, 668962), (1346, 535766), (1372, 525613), (1562, 461678), (1988, 362747), (2156, 334481), (2692, 267883), (3124, 230839), (3479, 207284), (3773, 191132), (4711, 153076), (5467, 131908), (6958, 103642), (7403, 97412), (7546, 95566), (9422, 76538), (10934, 65954), (13916, 51821), (14806, 48706), (15092, 47783), (18844, 38269), (21868, 32977), (24353, 29612)]