1997187816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{58727}}^1$

素因数の和:58858

約数の個数: 64

約数和(自身を含む): 5426467200

約数和(自身を除く): 3429279384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 109, 156, 218, 312, 327, 436, 654, 872, 1308, 1417, 2616, 2834, 4251, 5668, 8502, 11336, 17004, 34008, 58727, 117454, 176181, 234908, 352362, 469816, 704724, 763451, 1409448, 1526902, 2290353, 3053804, 4580706, 6107608, 6401243, 9161412, 12802486, 18322824, 19203729, 25604972, 38407458, 51209944, 76814916, 83216159, 153629832, 166432318, 249648477, 332864636, 499296954, 665729272, 998593908, 1997187816]

約数ペア:

[(1, 1997187816), (2, 998593908), (3, 665729272), (4, 499296954), (6, 332864636), (8, 249648477), (12, 166432318), (13, 153629832), (24, 83216159), (26, 76814916), (39, 51209944), (52, 38407458), (78, 25604972), (104, 19203729), (109, 18322824), (156, 12802486), (218, 9161412), (312, 6401243), (327, 6107608), (436, 4580706), (654, 3053804), (872, 2290353), (1308, 1526902), (1417, 1409448), (2616, 763451), (2834, 704724), (4251, 469816), (5668, 352362), (8502, 234908), (11336, 176181), (17004, 117454), (34008, 58727)]