989346462

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1\times {\mathrm{661}}^1$

素因数の和:1329

約数の個数: 64

約数和(自身を含む): 2206525440

約数和(自身を除く): 1217178978

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 619, 661, 806, 1209, 1238, 1322, 1857, 1983, 2418, 3714, 3966, 8047, 8593, 16094, 17186, 19189, 20491, 24141, 25779, 38378, 40982, 48282, 51558, 57567, 61473, 115134, 122946, 249457, 266383, 409159, 498914, 532766, 748371, 799149, 818318, 1227477, 1496742, 1598298, 2454954, 5319067, 10638134, 12683929, 15957201, 25367858, 31914402, 38051787, 76103574, 164891077, 329782154, 494673231, 989346462]

約数ペア:

[(1, 989346462), (2, 494673231), (3, 329782154), (6, 164891077), (13, 76103574), (26, 38051787), (31, 31914402), (39, 25367858), (62, 15957201), (78, 12683929), (93, 10638134), (186, 5319067), (403, 2454954), (619, 1598298), (661, 1496742), (806, 1227477), (1209, 818318), (1238, 799149), (1322, 748371), (1857, 532766), (1983, 498914), (2418, 409159), (3714, 266383), (3966, 249457), (8047, 122946), (8593, 115134), (16094, 61473), (17186, 57567), (19189, 51558), (20491, 48282), (24141, 40982), (25779, 38378)]