16723460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 38187072

約数和(自身を除く): 21463612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 491, 524, 655, 982, 1310, 1703, 1964, 2455, 2620, 3406, 4910, 6383, 6812, 8515, 9820, 12766, 17030, 25532, 31915, 34060, 63830, 64321, 127660, 128642, 257284, 321605, 643210, 836173, 1286420, 1672346, 3344692, 4180865, 8361730, 16723460]

約数ペア:

[(1, 16723460), (2, 8361730), (4, 4180865), (5, 3344692), (10, 1672346), (13, 1286420), (20, 836173), (26, 643210), (52, 321605), (65, 257284), (130, 128642), (131, 127660), (260, 64321), (262, 63830), (491, 34060), (524, 31915), (655, 25532), (982, 17030), (1310, 12766), (1703, 9820), (1964, 8515), (2455, 6812), (2620, 6383), (3406, 4910)]