131161992

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 371589120

約数和(自身を除く): 240427128

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 71, 78, 93, 104, 124, 142, 156, 186, 191, 213, 248, 284, 312, 372, 382, 403, 426, 568, 573, 744, 764, 806, 852, 923, 1146, 1209, 1528, 1612, 1704, 1846, 2201, 2292, 2418, 2483, 2769, 3224, 3692, 4402, 4584, 4836, 4966, 5538, 5921, 6603, 7384, 7449, 8804, 9672, 9932, 11076, 11842, 13206, 13561, 14898, 17608, 17763, 19864, 22152, 23684, 26412, 27122, 28613, 29796, 35526, 40683, 47368, 52824, 54244, 57226, 59592, 71052, 76973, 81366, 85839, 108488, 114452, 142104, 153946, 162732, 171678, 176293, 228904, 230919, 307892, 325464, 343356, 352586, 420391, 461838, 528879, 615784, 686712, 705172, 840782, 923676, 1057758, 1261173, 1410344, 1681564, 1847352, 2115516, 2522346, 3363128, 4231032, 5044692, 5465083, 10089384, 10930166, 16395249, 21860332, 32790498, 43720664, 65580996, 131161992]

約数ペア:

[(1, 131161992), (2, 65580996), (3, 43720664), (4, 32790498), (6, 21860332), (8, 16395249), (12, 10930166), (13, 10089384), (24, 5465083), (26, 5044692), (31, 4231032), (39, 3363128), (52, 2522346), (62, 2115516), (71, 1847352), (78, 1681564), (93, 1410344), (104, 1261173), (124, 1057758), (142, 923676), (156, 840782), (186, 705172), (191, 686712), (213, 615784), (248, 528879), (284, 461838), (312, 420391), (372, 352586), (382, 343356), (403, 325464), (426, 307892), (568, 230919), (573, 228904), (744, 176293), (764, 171678), (806, 162732), (852, 153946), (923, 142104), (1146, 114452), (1209, 108488), (1528, 85839), (1612, 81366), (1704, 76973), (1846, 71052), (2201, 59592), (2292, 57226), (2418, 54244), (2483, 52824), (2769, 47368), (3224, 40683), (3692, 35526), (4402, 29796), (4584, 28613), (4836, 27122), (4966, 26412), (5538, 23684), (5921, 22152), (6603, 19864), (7384, 17763), (7449, 17608), (8804, 14898), (9672, 13561), (9932, 13206), (11076, 11842)]