16205748

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 41934816

約数和(自身を除く): 25729068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 131, 156, 169, 183, 244, 262, 338, 366, 393, 507, 524, 676, 732, 786, 793, 1014, 1572, 1586, 1703, 2028, 2379, 3172, 3406, 4758, 5109, 6812, 7991, 9516, 10218, 10309, 15982, 20436, 20618, 22139, 23973, 30927, 31964, 41236, 44278, 47946, 61854, 66417, 88556, 95892, 103883, 123708, 132834, 207766, 265668, 311649, 415532, 623298, 1246596, 1350479, 2700958, 4051437, 5401916, 8102874, 16205748]

約数ペア:

[(1, 16205748), (2, 8102874), (3, 5401916), (4, 4051437), (6, 2700958), (12, 1350479), (13, 1246596), (26, 623298), (39, 415532), (52, 311649), (61, 265668), (78, 207766), (122, 132834), (131, 123708), (156, 103883), (169, 95892), (183, 88556), (244, 66417), (262, 61854), (338, 47946), (366, 44278), (393, 41236), (507, 31964), (524, 30927), (676, 23973), (732, 22139), (786, 20618), (793, 20436), (1014, 15982), (1572, 10309), (1586, 10218), (1703, 9516), (2028, 7991), (2379, 6812), (3172, 5109), (3406, 4758)]