28305494805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{152389}}^1$

素因数の和:152494

約数の個数: 64

約数和(自身を含む): 54421516800

約数和(自身を除く): 26116021995

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 61, 87, 105, 145, 183, 203, 305, 427, 435, 609, 915, 1015, 1281, 1769, 2135, 3045, 5307, 6405, 8845, 12383, 26535, 37149, 61915, 152389, 185745, 457167, 761945, 1066723, 2285835, 3200169, 4419281, 5333615, 9295729, 13257843, 16000845, 22096405, 27887187, 30934967, 46478645, 65070103, 66289215, 92804901, 139435935, 154674835, 195210309, 269576141, 325350515, 464024505, 808728423, 976051545, 1347880705, 1887032987, 4043642115, 5661098961, 9435164935, 28305494805]

約数ペア:

[(1, 28305494805), (3, 9435164935), (5, 5661098961), (7, 4043642115), (15, 1887032987), (21, 1347880705), (29, 976051545), (35, 808728423), (61, 464024505), (87, 325350515), (105, 269576141), (145, 195210309), (183, 154674835), (203, 139435935), (305, 92804901), (427, 66289215), (435, 65070103), (609, 46478645), (915, 30934967), (1015, 27887187), (1281, 22096405), (1769, 16000845), (2135, 13257843), (3045, 9295729), (5307, 5333615), (6405, 4419281), (8845, 3200169), (12383, 2285835), (26535, 1066723), (37149, 761945), (61915, 457167), (152389, 185745)]