728718628

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:881

約数の個数: 72

約数和(自身を含む): 1491089600

約数和(自身を除く): 762370972

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 109, 121, 209, 218, 242, 418, 436, 484, 727, 836, 1199, 1454, 2071, 2299, 2398, 2908, 4142, 4598, 4796, 7997, 8284, 9196, 13189, 13813, 15994, 22781, 26378, 27626, 31988, 45562, 52756, 55252, 79243, 87967, 91124, 151943, 158486, 175934, 250591, 303886, 316972, 351868, 501182, 607772, 871673, 1002364, 1505617, 1671373, 1743346, 3011234, 3342746, 3486692, 6022468, 6685492, 9588403, 16561787, 19176806, 33123574, 38353612, 66247148, 182179657, 364359314, 728718628]

約数ペア:

[(1, 728718628), (2, 364359314), (4, 182179657), (11, 66247148), (19, 38353612), (22, 33123574), (38, 19176806), (44, 16561787), (76, 9588403), (109, 6685492), (121, 6022468), (209, 3486692), (218, 3342746), (242, 3011234), (418, 1743346), (436, 1671373), (484, 1505617), (727, 1002364), (836, 871673), (1199, 607772), (1454, 501182), (2071, 351868), (2299, 316972), (2398, 303886), (2908, 250591), (4142, 175934), (4598, 158486), (4796, 151943), (7997, 91124), (8284, 87967), (9196, 79243), (13189, 55252), (13813, 52756), (15994, 45562), (22781, 31988), (26378, 27626)]