29947788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:831

約数の個数: 72

約数和(自身を含む): 82555200

約数和(自身を除く): 52607412

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 89, 117, 156, 178, 234, 267, 356, 468, 534, 719, 801, 1068, 1157, 1438, 1602, 2157, 2314, 2876, 3204, 3471, 4314, 4628, 6471, 6942, 8628, 9347, 10413, 12942, 13884, 18694, 20826, 25884, 28041, 37388, 41652, 56082, 63991, 84123, 112164, 127982, 168246, 191973, 255964, 336492, 383946, 575919, 767892, 831883, 1151838, 1663766, 2303676, 2495649, 3327532, 4991298, 7486947, 9982596, 14973894, 29947788]

約数ペア:

[(1, 29947788), (2, 14973894), (3, 9982596), (4, 7486947), (6, 4991298), (9, 3327532), (12, 2495649), (13, 2303676), (18, 1663766), (26, 1151838), (36, 831883), (39, 767892), (52, 575919), (78, 383946), (89, 336492), (117, 255964), (156, 191973), (178, 168246), (234, 127982), (267, 112164), (356, 84123), (468, 63991), (534, 56082), (719, 41652), (801, 37388), (1068, 28041), (1157, 25884), (1438, 20826), (1602, 18694), (2157, 13884), (2314, 12942), (2876, 10413), (3204, 9347), (3471, 8628), (4314, 6942), (4628, 6471)]